Gradebook Home > MAT120 43550 Spring2022 > Assessment Homework 6 Score: 12.9/31 9/15 answered. Question 12 < If a seed is planted, it has a 70% chance of growing into a healthy plant. If 11 seeds are

Given: An urn containing 5 red, 3 blue, and 2 orange marbles in it.

To find:

What is the probability that the first marble you draw is blue?

Total number of marbles in the urn= 5+3+2 = 10 Probability of the first marble being blue = Number of blue marbles/Total number of marbles= 3/10Therefore, the probability that the first marble you draw is blue is 3/10.Suppose you drew a blue marble in the first draw. If drawing with replacement.

What is the probability of drawing a blue marble in the second draw?

When we are drawing with replacement, the urn is filled back with marbles after every draw. Hence, the number of marbles remains the same in every draw. The probability of drawing a blue marble in the first draw = 3/10Therefore, in the second draw also, the probability of drawing a blue marble is 3/10.So, the probability of drawing a blue marble in the second draw when drawing with replacement, given that a blue marble was drawn in the first draw is 3/10.Suppose you instead drew an orange marble in the first draw. If drawing with replacement.

what is the probability of drawing a blue marble in the second draw?

The probability of drawing an orange marble in the first draw = Number of orange marbles/Total number of marbles= 2/10= 1/5In the second draw, the urn is filled back with marbles and the total number of marbles remains the same. The probability of drawing a blue marble in the second draw= Number of blue marbles/Total number of marbles= 3/10Therefore, the probability of drawing a blue marble in the second draw, given that an orange marble was drawn in the first draw, when drawing with replacement, is 3/10. If drawing with replacement.

When we draw with replacement, the probability of drawing a blue marble is 3/10 for every draw. As we are drawing with replacement, each draw is an independent event. The probability of drawing two blue marbles in a row = (Probability of the first marble being blue) × (Probability of the second marble being blue) = (3/10) × (3/10)= 9/100Therefore, the probability of drawing two blue marbles in a row when drawing with replacement is 9/100.

Yes, when we draw with replacement, the draws are independent. This is because the urn is filled back with marbles of the same kind after each draw. Hence, the probability of drawing a certain color remains the same in every draw. Therefore, every draw is an independent event.

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Answer : a. P(fatal collision with a pole or post) = 0.068 or 6.8%

b. P(fatal collision with a guardrail) = 0.104 or 10.4%.

c. P(fatal collision with traffic island or median) =  0.015 or 1.5%.

d. P(fatal collision with a tree)= 0.347 or 34.7%.

Explanation :

a. Probability of a fatal collision with a pole or post:

According to the table, there were 708 fatal collisions with poles or posts out of 10,426 fatal collisions in total. Therefore, the probability of a fatal collision with a pole or post is:

P(fatal collision with a pole or post) = Number of fatal collisions with a pole or post/ Total number of fatal collisions= 708/10,426= 0.068 or 6.8%

b. Probability of a fatal collision with a guardrail:

According to the table, there were 1,088 fatal collisions with guardrails out of 10,426 fatal collisions in total.

Therefore, the probability of a fatal collision with a guardrail is:

P(fatal collision with a guardrail) = Number of fatal collisions with a guardrail/ Total number of fatal collisions= 1,088/10,426= 0.104 or 10.4%.

c. Type of fixed object least likely to be involved in a fatal collision:

According to the table, the type of fixed object least likely to be involved in a fatal collision is traffic island or median. There were only 158 fatal collisions with traffic island or median out of 10,426 fatal collisions in total. Therefore, the probability associated with this type of fatal collision is:

P(fatal collision with traffic island or median) = Number of fatal collisions with traffic island or median/ Total number of fatal collisions= 158/10,426= 0.015 or 1.5%.

d. Type of object most likely to be involved in a fatal collision:

According to the table, the type of object most likely to be involved in a fatal collision is a tree. There were 3,623 fatal collisions with a tree out of 10,426 fatal collisions in total. Therefore, the probability associated with this type of fatal collision is:

P(fatal collision with a tree) = Number of fatal collisions with a tree/ Total number of fatal collisions= 3,623/10,426= 0.347 or 34.7%.

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The percent of change shows that the value of the home increased by 8.3 percent.

The percent of change can be calculated using the following formula:

percent of change = (new value - old value) / old value × 100

Let's use the given values to calculate the percent of change:

Old value = $102,500

New value = $111,000

Now, we can use the above formula:

percent of change = (111000 - 102500) / 102500 × 100

percent of change = 8.29

Therefore, the percent of change in the value of Smith's home is 8.3 percent.

The value increased from $102,500 to $111,000, which is an increase of $8,500.

The percent of change indicates that the value of the home increased by 8.3 percent.

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The probability of getting the number two between 5,000 and 6,000 times when rolling a die 30,000 times, using the normal approximation of the binomial distribution, can be estimated to be approximately 0.673.

To calculate this probability, we can use the properties of the normal distribution and the parameters of the binomial distribution. The mean (μ) of the binomial distribution is given by n * p, where n is the number of trials (30,000 in this case) and p is the probability of success on a single trial (1/6 since we want to roll a two on a six-sided die). The standard deviation (σ) of the binomial distribution is given by √(n * p * q), where q = 1 - p.

In this case, μ = 30,000 * (1/6) = 5,000 and σ = √(30,000 * (1/6) * (5/6)) ≈ 70.535.

Now, we can use the properties of the normal distribution to estimate the probability of getting the number two between 5,000 and 6,000 times. We standardize the range of values by converting it into a z-score, which is calculated as (x - μ) / σ, where x represents the lower and upper limits of the desired range. In this case, x = 5,000 and x = 6,000.

Next, we use the standard normal distribution table or a statistical calculator to find the area under the curve between these two z-scores. This area represents the estimated probability.

Using the standard normal distribution table or a calculator, we find that the z-score corresponding to 5,000 is approximately -2.12, and the z-score corresponding to 6,000 is approximately -0.71. The area under the curve between these two z-scores is approximately 0.673.

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A scatter diagram is a graphic tool used to illustrate the relationship or correlation between two variables.

If the variables appear to be closely related, the correlation is said to be strong, while if they appear to be unrelated, the correlation is said to be weak. This is determined by looking at the data points on the graph.

Here is a description of how, if at all, the variables are related using the scatter diagram provided: The variables do not appear to be linearly related. A linear relationship is indicated by the data points forming a straight line on the scatter plot.

The data points on the scatter plot provided appear to be scattered and do not appear to follow a straight line. The scatter plot indicates that there is no relationship between the two variables.

Therefore, the variables do not appear to be linearly related. Option A, "The variables do not appear to be linearly related," is the correct answer.

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Use the scatter diagram to describe how, if at all, the variables are related. 25 20 .. 6 Var 2 15 10 in 5 .... ******* 0 O The variables do not appear to be linearly related O The variables appear to be positively, linearly related The variables do not appear to be linearly related 12 12 12 12 0 4 8 1216 20 0 4 8 1216 20 0 4 8 1216 20 0 4 8 1216 20

If the jobs are sequenced according to the SLACK rule, Job A would be completed on day 12.

The SLACK rule involves calculating the slack time for each job, which is the difference between the due date and the completion time. The job with the least slack time is prioritized and scheduled first. In this case, the due dates for the jobs are as follows: Job A (12), Job B (15), Job C (17), Job D (10), and Job E (8).

Job A has a processing time of 8 days and a due date of 12, so the slack time is 12 - 8 = 4 days. Since Job A has the least slack time among all the jobs, it would be completed on day 12. Therefore, the answer is D. 12.

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The formula is t = (p - P) / (s / √n) where p is the sample proportion, P is the population proportion, s is the standard error of the sample proportion, and n is the sample size.

It is not possible to find t just by knowing that a sample is used to estimate a population proportion p.

The value of t depends on several factors such as the sample size, the level of confidence, and the standard error of the sample mean or proportion.

However, if you have information on these factors, then you can use the formula for the t-statistic to find t.

The formula is t = (p - P) / (s / √n) where p is the sample proportion, P is the population proportion, s is the standard error of the sample proportion, and n is the sample size.

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The probability that the random variable is between t1 and t2 is P(t1 ≤ X ≤ t2) = 3t8 - 3.

The probability density function of a random variable is given by f(x)=6x7 on the interval [1, co).

To find the median of the random variable, the value of x has to be determined. For this, we will have to integrate the function as shown below;

∫[1,x] f(t) dt = 0.5

We know that f(x) = 6x7

Integrating this expression;

∫[1,x] 6t7 dt = 0.5

Simplifying this expression, we get;

x^8 - 18 = 0.5x^8 = 18.5x = (18.5)^(1/8)

Hence the median of the random variable is (18.5)^(1/8).

Now to find the probability that the random variable is between t.

Here, we can calculate the integral of the given probability density function f(x) over the interval [t1, t2]. P(t1 ≤ X ≤ t2) = ∫t1t2 f(x) dx

The given probability density function is f(x) = 6x^7, where 1 ≤ x < ∞P( t1 ≤ X ≤ t2 ) = ∫t1t2 6x7 dx = [3x^8]t1t2

The integral of this probability density function between the interval [t1, t2] will give the probability that the random variable lies between t1 and t2, which is given by [3x^8]t1t2

Therefore, the probability that the random variable is between t1 and t2 is P(t1 ≤ X ≤ t2) = 3t8 - 3.

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When a cone with a volume of 5000 m³ is dilated by a scale factor of 15, the volume of the resulting cone is 3375000 m³.

The volume of a cone is given by the formula V = (1/3)πr²h, where r is the radius of the base and h is the height. Since the scale factor of 15 applies to all dimensions of the cone, the new radius and height will be 15 times the original values. Let's assume the original cone has radius r and height h.

After dilation, the new cone will have a radius of 15r and a height of 15h. Plugging these values into the volume formula, we get

V' = (1/3)π(15r)²(15h) = (1/3)π(15²)(r²)(h) = 3375V.

Given that the original cone has a volume of 5000 m³, we can calculate the volume of the resulting cone by multiplying 5000 by 3375:

V' = 5000× 3375 = 3375000 m³.

Therefore, the volume of the resulting cone, after being dilated by a scale factor of 15, is 3375000 m³.

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Z is in accordance with N(0,1). The probability that Z is between -2.3 and 1.54 is 0.897. The 95th percentile of Z is 1.645. The probability that Z is greater than 1.23 is 0.109.

To calculate this probability, we need to find the area under the standard normal distribution curve between -2.3 and 1.54. This can be done using the standard normal distribution table or a statistical software.

The percentile represents the point below which a given percentage of the distribution falls. In this case, we want to find the Z value such that 95% of the distribution is below it.

We can look up this value in the standard normal distribution table, which provides the Z-scores corresponding to different percentiles. The Z-score for the 95th percentile is 1.645.

The probability that Z is greater than 1.23 is 0.109.

To calculate this probability, we need to find the area under the standard normal distribution curve to the right of 1.23. This can be done using the standard normal distribution table or a statistical software.

In summary:

P(-2.3 ≤ Z ≤ 1.54) = 0.897

The 95th percentile of Z is 1.645

P(Z > 1.23) = 0.109

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2.4 is the mean for the given probability distribution.

To find the missing value required to create a probability distribution, we need to add the probabilities given for x = 0, 1, and 2. The sum of these probabilities is equal to 0.03 + 0.18 + 0.15 = 0.36.

The probability of x = 3 can be found by subtracting the sum of the probabilities for x = 0, 1, and 2 from 1. Therefore,

P(x = 3) = 1 - 0.36 = 0.64

Now, we can create the complete probability distribution as follows:

x / P(x)

0 / 0.03

1 / 0.18

2 / 0.15

3 / 0.64

To find the mean for the given probability distribution, we use the formula:

μ = Σ(x * P(x))

where Σ represents the sum of the products x * P(x) for all possible values of x. We can use the table above to calculate the sum as follows:

μ = (0 * 0.03) + (1 * 0.18) + (2 * 0.15) + (3 * 0.64)

μ = 0 + 0.18 + 0.3 + 1.92

μ = 2.4

Therefore, the mean for the given probability distribution is 2.4 (rounded to the nearest hundredth).

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(a)  There are 1296 possible outcomes from rolling an unbiased die 4 times.

When rolling an unbiased die, there are 6 possible outcomes for each roll. Therefore, for 4 rolls, the total number of possible outcomes can be determined by multiplying 6 by itself 4 times (since each roll is independent).

This can be represented using the formula: Total number of outcomes = 6^4 = 1296

(b) There are 0.7716 possible outcomes from rolling an unbiased die 4 times that have exactly two rolls showing a 3.

To determine the number of possible outcomes that have exactly a certain result (e.g. exactly two rolls showing a 3), we can use the binomial coefficient formula.

The binomial coefficient represents the number of ways to choose k items from a set of n items, and is denoted as "n choose k" or written as (n choose k) or C(n,k).

For example, to find the number of ways to get exactly two rolls showing a 3 in four rolls, we would use the following formula:

Number of outcomes with exactly two 3's = (4 choose 2) * (1/6)^2 * (5/6)^2

Where:

- (4 choose 2) represents the number of ways to choose two rolls out of four to show a 3

- (1/6)^2 represents the probability of getting a 3 on two rolls

- (5/6)^2 represents the probability of not getting a 3 on the other two rolls

Evaluating this formula gives:

Number of outcomes with exactly two 3's = (4 choose 2) * (1/6)^2 * (5/6)^2

= (4! / (2! * (4-2)!)) * (1/6)^2 * (5/6)^2

= 6 * (1/36) * (25/36)

= 0.7716

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The missing value to create a probability distribution is 0.46.

To find the missing value required to create a probability distribution, we need to add the probabilities and subtract from 1.

This is because the sum of all the probabilities in a probability distribution must be equal to 1.

Here is the given probability distribution:x / P(x)0 / 0.181 / 0.112 / 0.133 / 4 / 0.12

Let's add up the probabilities:

0.18 + 0.11 + 0.13 + 0.12 + P(4) = 1

Simplifying, we get:0.54 + P(4) = 1

Subtracting 0.54 from both sides, we get

:P(4) = 1 - 0.54P(4)

= 0.46

Therefore, the missing value to create a probability distribution is 0.46.

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There are 24 adult-sized shirts in the Order.

The number of adult-sized shirts in the order, we need to calculate two-fifths of the total number of shirts and subtract it from the total.

Given that the order consists of 40 shirts and two-fifths of the shirts are children-sized, we can calculate the number of children-sized shirts as follows:

Children-sized shirts = (2/5) * 40

                    = (2/5) * 40

                    = 16

Since the remaining shirts are adult-sized, we can find the number of adult-sized shirts by subtracting the number of children-sized shirts from the total number of shirts:

Adult-sized shirts = Total shirts - Children-sized shirts

                 = 40 - 16

                 = 24

Therefore, there are 24 adult-sized shirts in the order.

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The 90% confidence interval for the mean weight of the population of textbooks is [tex]$(68.08, 71.92)$[/tex] ounces.

To construct a 90% confidence interval for the mean weight of 28 randomly selected textbooks, we will use the following formula: [tex]$$\bar{X} \pm z_{\frac{\alpha}{2}}\left(\frac{\sigma}{\sqrt{n}}\right)$$[/tex].

Where: [tex]$\bar{X}$[/tex] is the sample mean weight, [tex]$\sigma$[/tex] is the population standard deviation, [tex]$n$[/tex] is the sample size, [tex]$z_{\frac{\alpha}{2}}$[/tex] is the critical value obtained from the z-table or calculator, and [tex]$\alpha$[/tex] is the significance level which is equal to 1 - confidence level.

So, let's plug in the given values and solve:

Sample size, [tex]$n = 28$[/tex]

Sample mean weight, [tex]$\bar{X} = 70$[/tex]

Population standard deviation, [tex]$\sigma = 8.6$[/tex]

Confidence level, [tex]$C = 90\%$[/tex], which means [tex]$\alpha = 1 - C = 0.1$[/tex].

Therefore, the critical value from the z-table for a 90% confidence level is [tex]$z_{\frac{\alpha}{2}}= 1.645$[/tex].

Now, we can calculate the confidence interval:[tex]$$\begin{aligned}\bar{X} \pm z_{\frac{\alpha}{2}}\left(\frac{\sigma}{\sqrt{n}}\right) &= 70 \pm 1.645\left(\frac{8.6}{\sqrt{28}}\right) \\&= 70 \pm 1.915 \\&= (68.08, 71.92)\end{aligned}$$[/tex].

Therefore, the 90% confidence interval for the mean weight of the population of textbooks is [tex]$(68.08, 71.92)$[/tex] ounces.

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28. A. 11 (0.9)5(0.1)6 represents a Binomial probability.

29. The question is incomplete, and further details are needed to provide an accurate answer.

28. In order for an expression to represent a Binomial probability, it needs to meet certain criteria. A Binomial probability involves a fixed number of independent trials, each with the same probability of success. The expression A. 11 (0.9)5(0.1)6 satisfies these criteria. Here, 11 represents the number of trials, (0.9)5 represents the probability of success (0.9) occurring 5 times, and (0.1)6 represents the probability of failure (0.1) occurring 6 times.

29. The second question regarding the Gallup-Healthways Well-Being Index is incomplete. It does not provide specific information or data to analyze or answer. To accurately respond, further details regarding the specific information or context related to the index are required.

Expression A. 11 (0.9)5(0.1)6 represents a Binomial probability as it meets the criteria of having a fixed number of independent trials with the same probability of success. However, the second question regarding the Gallup-Healthways Well-Being Index is incomplete and requires additional information to provide a meaningful response.

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Saab, a Swedish car manufacturer, is interested in estimating average monthly sales in the US, using the following sales figures from a sample of 5 months: 793, 565, 630, 649, and 351.

Saab can calculate the average monthly sales by adding up the sales figures for each month and dividing by the number of months in the sample. This is called the sample mean. The formula for the sample mean is: Sample mean = (sum of values) / (number of values)Using the sales figures given above, Saab can calculate the sample mean as follows: Sample mean = (793 + 565 + 630 + 649 + 351) / 5= 2988 / 5= 597.6Therefore, Saab can estimate the average monthly sales in the US to be $597.6. Saab, a Swedish car manufacturer, is trying to estimate the average monthly sales in the US. To do this, Saab uses sales figures from a sample of 5 months. The sample mean is a statistic that measures the central tendency of the data. It is calculated by summing up all the values in the sample and dividing by the number of values. In this case, the sample mean is calculated by adding up the sales figures for each month and dividing by the number of months in the sample, which is 5. Using this formula, Saab can estimate the average monthly sales in the US to be $597.6 based on the sales figures given above. The sample mean is a useful tool for estimating the population mean, which is the average sales figure for all months in the US. However, the sample mean may not always be an accurate estimate of the population mean. To obtain a more accurate estimate of the population mean, Saab would need to increase the sample size and use statistical techniques such as hypothesis testing and confidence intervals.

Saab can estimate the average monthly sales in the US to be $597.6 based on the sales figures from a sample of 5 months. The sample mean is a useful tool for estimating the population mean, but it may not always be an accurate estimate. Saab could obtain a more accurate estimate of the population mean by increasing the sample size and using statistical techniques such as hypothesis testing and confidence intervals.

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To find the area of the surface, we can use the surface area formula for a parametric surface given by r(u, v):

A = ∬√[ (∂r/∂u)² + (∂r/∂v)² + 1 ] dA

where ∂r/∂u and ∂r/∂v are the partial derivatives of the vector function r(u, v) with respect to u and v, and dA is the area element in the u-v coordinate system.

In this case, the vector equation of the helicoid is r(u, v) = u cos(v) i + u sin(v) j + v k, with the given parameter ranges 0 ≤ u ≤ 1 and 0 ≤ v ≤ π.

Taking the partial derivatives, we have:

∂r/∂u = cos(v) i + sin(v) j + 0 k

∂r/∂v = -u sin(v) i + u cos(v) j + 1 k

Plugging these values into the surface area formula and integrating over the given ranges, we can calculate the surface area of the helicoid. However, this process involves numerical calculations and may not yield a simple closed-form expression.

Hence, the exact value of the surface area of the helicoid in this case would require numerical evaluation using appropriate numerical methods or software.

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To find the 59th term of an arithmetic sequence, we can use the formula:

a_n = a_1 + (n - 1) * d

where a_n represents the nth term of the sequence, a_1 is the first term, n is the position of the term in the sequence, and d is the common difference between consecutive terms.

In the given sequence, the first term (a_1) is 26, and the common difference (d) is -9 (subtracting 9 from each term to get to the next term).

Now we can substitute these values into the formula to find the 59th term:

a_59 = 26 + (59 - 1) * (-9)

= 26 + 58 * (-9)

= 26 - 522

= -496

Therefore, the 59th term of the arithmetic sequence is -496.

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If a  random variable X follows a binomial distribution with n=30, p=0.35.

a) The SD is 0.087

c) The distribution is skewed

f) The expected value is 10.5

The Correct options are a), c), and f).

For a binomial distribution with parameters n and p, the standard deviation (SD) is calculated as √(n * p * (1 - p)). In this case, the SD would be √(30 * 0.35 * (1 - 0.35)) ≈ 2.61. Therefore, option b) is incorrect.

Binomial distributions are generally skewed, especially when the probability of success (p) is far from 0.5. In this case, p = 0.35, so the distribution would be skewed. Thus, option c) is correct.

The expected value (mean) of a binomial distribution is given by n * p. Therefore, for n = 30 and p = 0.35, the expected value would be 30 * 0.35 = 10.5. Hence, option f) is correct.

Regarding the symmetry of the distribution, binomial distributions are typically roughly symmetric when p is close to 0.5. However, in this case, p = 0.35, which indicates some asymmetry. Thus, option e) is incorrect.

Therefore, the correct options are a), c), and f) for this probability distribution.

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The t-distribution is defined as the distribution of a random variable T that is obtained by dividing a standard normal variable Z by the square root of a chi-square random variable χ^2 with p degrees of freedom, that is:

T = Z / √(χ^2 / p)

If X ∼ t_p with p degrees of freedom, then:

X = Z / √(χ^2 / p)

We can square this expression to obtain:

X^2 = Z^2 / (χ^2 / p)

Since the numerator is a chi-square variable with one degree of freedom and the denominator is a chi-square variable with p degrees of freedom, we have:

X^2 ∼ F(1,p)

Therefore, if X ∼ t_p, then X^2 ∼ F(1,p).

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The probability that exactly two of the selected fish are tagged is 0.278

Probability of selecting 2 tagged fish and 4 non-tagged fishP(2T and 4NT) = (5C2 × 20C4) / 25C6= (10 × 4845) / 177100 = 0.2727

Probability of selecting 3 tagged fish and 3 non-tagged fishP(3T and 3NT) = (5C3 × 20C3) / 25C6= (10 × 1140) / 177100 = 0.0652

Probability of selecting 4 tagged fish and 2 non-tagged fishP(4T and 2NT) = (5C4 × 20C2) / 25C6= (5 × 190) / 177100 = 0.0054

Probability of selecting 5 tagged fish and 1 non-tagged fishP(5T and 1NT) = (5C5 × 20C1) / 25C6= (1 × 20) / 177100 = 0.0001

Probability of selecting 6 tagged fish and 0 non-tagged fishP(6T and 0NT) = (5C6 × 20C0) / 25C6= (1 × 1) / 177100 = 0.0000

Therefore, the probability that exactly two of the selected fish are tagged isP(2T) = 0.2727

We can summarise the above findings in a tabular form as shown below:No of tagged fish No of non-tagged fish Probability2 4 0.27273 3 0.06524 2 0.00545 1 0.00016 0 0.0000Total probability = Σ P(X) = 0.3439 ≈ 0.34

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The Maclaurin series for the function f(x) = e^(x^2/2) can be obtained by expanding the function as a power series centered at x = 0. The Maclaurin series representation of f(x) is as follows:

f(x) = 1 + (x^2/2) + (x^4/8) + (x^6/48) + (x^8/384) + ...
The first term is simply the constant term 1, and the subsequent terms involve powers of x raised to even exponents divided by the corresponding factorials. Each term in the series represents the contribution of that term to the overall function.
The Maclaurin series provides an approximation of the function f(x) by summing an infinite number of terms. The more terms we include in the series, the more accurate the approximation becomes. However, it's important to note that the series representation only converges for certain values of x. In the case of f(x) = e^(x^2/2), the series converges for all real values of x. By including more termof x.s in the series, we can achieve a higher degree of precision in approximating the function.

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The monomial that represents a side of the square is 10x.

In the given expression, "x10" represents the area of a square. To find the monomial that represents a side of the square, we need to rewrite the expression in a form that represents the side length.

In the expression "x10," the variable "x" represents the unknown side length of the square, and the coefficient "10" represents the area. We know that the area of a square is equal to the side length squared (A = s^2), so we need to rearrange the expression to isolate the side length.

To do this, we divide both sides of the equation by 10 to get the side length alone. Dividing "x10" by 10 yields "x." Therefore, "x" represents the side length of the square.

In summary, the monomial that represents a side of the square is 10x. The coefficient "10" represents the area, and the variable "x" represents the side length.

The expression "x10" represents the area of a square. However, to find the monomial that represents the side length, we need to rearrange the expression to isolate the side length. By dividing both sides of the equation by 10, we obtain the side length alone, represented by the variable "x." This means that "x" is the monomial that represents a side of the square. By understanding the relationship between area and side length in a square, we can determine the correct monomial representation.

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After simplifying, we can see that there are three terms in the expression: 3x, -5y, and 3.

The given expression is 2x - 5y + 3 + x.

The task is to find the number of terms in the expression after simplifying.

Explanation: Simplifying an expression means adding or subtracting the like terms and keeping it in a simpler form.

There are two like terms in the given expression: 2x and x. Adding them, we get 3x.

Similarly, there is only one constant term, that is, 3. So the simplified expression is 3x - 5y + 3.

It has three terms: 3x, -5y and 3.

Hence, the correct option is (c) 3.6.

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After simplifying, the given expression 2x - 5y + 3 + x has 2 terms, the correct option is (b) 2.4.

The expression can be written as 3x - 5y + 3.

Let's understand how the given expression is simplified:

2x - 5y + 3 + x

Firstly, the two like terms 2x and x are combined to get 3x.

2x + x = 3x

Now the expression becomes: 3x - 5y + 3

The given expression is now in simplified form and has only 2 terms.

Therefore, the correct option is (b) 2.4.

Note: When combining like terms, we can only add or subtract the coefficients of those terms that have the same variable(s).

In this case, the terms 2x and x are like terms as they have the same variable, x. Their coefficients are 2 and 1 respectively.

Therefore, we add their coefficients to get 2x + x = 3x.

The terms 2x and x are replaced by 3x in the expression.

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The answer is option (c) Conditional. The probability of an event B in relationship to an event A, is defined as the conditional probability that event B occurs after event A has already occurred.

Explanation: The probability of an event A occurring given that event B has already occurred is known as a conditional probability. P(A|B) = Probability of A given that B has occurredP(B|A) = Probability of B given that A has occurred.If B is the occurrence of one event and A is the occurrence of another event, then we can say that the probability of event B happening given that event A has already happened is known as a conditional probability.

Probability is a way to gauge how likely something is to happen. Many things are difficult to forecast with absolute confidence. Using it, we can only make predictions about the likelihood of an event happening, or how likely it is. Probability can range from 0 to 1, with 0 denoting an impossibility and 1 denoting a certainty.

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The percentage of survey adults have dbp is 62.5%.

To determine what percentage of survey adults have diastolic blood pressure (dbp) using the given five-number summary results below:

L = 60Q₁ = 64Q₂ = 75Q₃ = 79H = 84

The five-number summary results above contain information about a dataset of diastolic blood pressures (dbp) of a large group of adults.

The minimum value, quartile 1 (Q₁), median (Q₂), quartile 3 (Q₃), and maximum value provide information about the spread and central tendency of the dataset.

To find the percentage of adults who have dbp, follow the steps below;

Step 1: Find the interquartile range (IQR).

IQR = Q₃ - Q₁

IQR = 79 - 64

IQR = 15

Step 2: Determine the lower and upper limits for outliers.

Lower limit = Q₁ - 1.5 (IQR)

Lower limit = 64 - 1.5(15)

Lower limit = 42.5

Upper limit = Q₃ + 1.5 (IQR)

Upper limit = 79 + 1.5(15)

Upper limit = 100.5

The limits show that any dbp values below 42.5 or above 100.5 are outliers and not part of the dataset.

Step 3: Determine the range of the values in the dataset.

Range = H - L

Range = 84 - 60

Range = 24

Step 4: Determine what percentage of survey adults have dbp between the limits.

Percent dbp = 100( Q₃ - Q₁) ÷ Range

Percent dbp = 100(79 - 64) ÷ 24

Percent dbp = 62.5%

Therefore, approximately 62.5% of survey adults have dbp within the lower and upper limits (between 64 and 79).

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Rounding to the nearest tenth, the substance's half-life is approximately 4.7 days.

To find the substance's half-life, we can use the formula N = N0 * e^(-kt), where:

N is the final amount of the substance,

N0 is the initial amount of the substance,

k is the decay constant,

t is the time in days.

In this case, the half-life represents the time it takes for the substance to decay to half of its initial amount. So, we have N = N0/2.

Substituting these values into the formula, we get:

N0/2 = N0 * e^(-k * t)

Dividing both sides by N0 and simplifying, we have:

1/2 = e^(-k * t)

To isolate t, we can take the natural logarithm (ln) of both sides:

ln(1/2) = -k * t

Since ln(1/2) is the natural logarithm of 1/2 (approximately -0.6931), we can rewrite the equation as:

-0.6931 = -k * t

Dividing both sides by -k, we find:

t = -0.6931 / k

Substituting k = 0.1472 (given), we have:

t = -0.6931 / 0.1472 ≈ -4.7121

Since time cannot be negative, we take the absolute value:

t ≈ 4.7121

Rounding to the nearest tenth, the substance's half-life is approximately 4.7 days.

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Answer:

The highest peak when x= 33  and the ball reaches a height of 16.39 ft

Step-by-step explanation:

The peak is obtained at x= -b/2a
x= -0.66 / 2(-0.01)

x = -0.66/(-0.02)

x= 33

The highest is reached when  x=33 :
-0.01(33)^2 +0.66*33 +5.5 = 16.39 ft

The ball finally touches the ground again when -0.01x² + .66x +5.5 = 0
and the starting height is when x=0 => -0.01(0)^2 + 0.66(0) +5.5 = 5.5 ft

He started his throw at 5.5 ft