Fill in the blank there is a correspondence between In a probability histogram, there is a correspondence between volume and probability area and volume variation and area. area and probability

The number of ounces of water that would be wasted in one day is 12.173 ounces.

An equation in which two ratios are made equal is known as a percentage. As an illustration, you could express the ratio as 1: 3 if there is 1 guy and 3 girls (for every one boy there are 3 girls) 40% are girls, and 14% are boys. The ratio formula is written as a: b a/b for any two numbers. Contrarily, the percentage formula is written as a:b::c:da:b::c:da:b=cd.

Given,

The faucet drips per every minute.

1 min -------1/4 ml

for 60 min -----?

x=(1/4)×60

x=15 ml

For one day,

15 ml×24 hours=360 ml

Therefore, 360 ml=12.173 ounces.

Hence, the number of ounces of water that would be wasted in one day is 12.173 ounces.

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Answer:

2 13/50

Step-by-step explanation:

gogle

On solving the expression 2 + (4/5) - (3/20), we get 53/20.

Given is the expression -

2 + (4/5) - (3/20)

The given expression is -

2 + (4/5) - (3/20)

Now, solving further, we get -

2 + (4/5) - (3/20)

2 + 4/5 - 3/20

(40 + 16 - 3)/20

53/20

Therefore, the given expression 2 + (4/5) - (3/20) is equivalent to 53/20.

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Classification model

What is Classification model?

A subset of supervised machine learning is classification models. A categorization model takes in some input and produces an output that categorises the input. For instance, after reading an email, a model may binary identify it as spam or not.

This is a classification model. This is a categorization model because we are categorising people here according to their age and location.

A categorization model takes in some input and produces an output that categorises the input.

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The value of test statistics  as calculated from the given data is 0.092.

p = 1 - P(Z < Z')

Z' = (8200-8000)/ (1500/√100)

Z'= 1.3

p = 1 - P(Z < Z')

= 1 - P(Z < 1.3)

= 1 - 0.908

= 0.092

The Z-score, also known as the standard score, indicates how far a data point deviates from the mean. It represents the number of standard deviations an element has from the mean. As a result, the Z-Score is expressed in terms of standard deviation from the mean.

A z score is a statistical measurement that indicates how far a raw score deviates from the mean of a distribution. A z score is used in a z test to test hypotheses. It is also used in prediction intervals to calculate the likelihood of a random variable falling between two values.

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Calculating the cost of 4.25 kilogram(kg) is £2.38, by multiplying it by 4.25 kg by 1 kg.

Costs are the expenses incurred in the manufacture, marketing, or preparation of a good or asset for regular use. In other terms, it's the cost incurred to produce a good, buy inventories, sell goods, or prepare equipment for use in a commercial activity.

Given,

2.5 kg cost  £1.40 i.e,

2.5 kg = £1.40

For 1 kg= [tex]\frac{1.40}{2.5}[/tex]

= £0.56

To find the cost of 4.25 kg:

Then,

1 kg = £0.56

4.25 kg = 0.56 x 4.25

= £2.38

£2.38 is the cost of 4.25kg after calculating it.

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The solutions of the equation x² +3x - 4=0 are x=1 and x= -4 .

What is the solution to an equation?

In order to make the equation's equality true, the unknown variables must be given values as a solution. In other words, the definition of a solution is a value or set of values (one for each unknown) that, when used as a replacement for the unknowns, transforms the equation into equality.

Given equation:

x² +3x - 4=0

Standard form of a quadratic equation:

ax² +bx+c=0

On comparing, a=1, b= 3, c= -4

Quadratic formula:

x = [ -b ± √(b² - 4ac ) ] /(2a)

Substitute the values

x = [ -3 ± √(3² - 4*1*(-4) ) ] /(2*1)

x= [ -3 ± √(9 + 16 ) ] /(2)

On simplifying,

x=1 and x= -4

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On solving the provided question we got to say that - 500 meters long, and 250 meter wide

Differentiation is the rate at which a function changes with regard to a variable in mathematics (in mathematics, the rate of change of a function with respect to a variable). Problems involving calculus and differential equations need the use of derivatives.

125000 square meters  of area = l X w is =  length times width

[tex]l=125000/w[/tex]

Fencing =[tex]Perimeter = P = L+2W= 125000/W +2W[/tex]

Now,

derivative set = 0

P'(X) =  2 -125000/W^2 = 0

           [tex]2W^2 = 125000\\ W^2 = 62500\\ W = 250meters wide[/tex]

          [tex]L =125000/250= 500 meters long, the side parallel to the river[/tex]

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The interest that will the customer earn in 10 years is $385.

What is simple interest?

Simple interest is a method for figuring out how much interest was paid on a sum of money during a specific time period at a specific rate.

Simple interest has a constant principal amount. Simple interest is a straightforward and easy technique for calculating interest in money. Interest is always applied to the initial principal amount under the simple interest method, and the rate of interest is the same for each time cycle. When we deposit money in a bank, the bank pays us interest on our investment. Banks charge various sorts of interest, one of which is simple interest.

The customer deposit $3500 when he opens the account.

The interest rate of the bank is 1.1% = 0.011.

He deposits the amount for 10 years.

The formula of simple interest is I = PRT.

I = 3500 × 0.011 × 10

I = 385

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The interpretation of -600 is (a) the slope of the function and the change in distance remaining, in meters per minute, of riding the bus

From the question, we have the following parameters that can be used in our computation:

f(t) = -600t + 12000

A linear equation is represented as

y = mx + c

Where

Slope = m

When the equations are compared, we have

m = -600

This means that

Slope = -600

So, the interpretation of -600 is the slope

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Using PEDMAS to simplify the expression, the result is -830t² + 164t + 5798.4

To solve this problem, we have to simplify the expression. This is a process of breaking it down from a complex form to the least possible form. In doing this, we often apply mathematical operations such as multiplication, addition, subtraction etc.

In the expression 362.4 * 16 - 2t + 83t * (2 - 10t)

Let's apply PEDMAS here

362.4 * 16 = 5798.4

83t (2 - 10t) = 166t - 830t²

We can bring them together now;

5798.4 - 2t + 166t - 830t²

Collecting like terms

-830t² + 164t + 5798.4

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Answer:

= 3/32

Step-by-step explanation:

What is 11/32 - 2/8?

11/32 - 8/32 = 3/32

Answer: 9 weeks

Step-by-step explanation:

Let x be the number of weeks

So the equation will be

1497 - 83x < 750

Subtract 1497 on both sides

-83x < -747

x < 9

So the answer is 9 weeks

Answer:

7x/4 = 66

(7/4)x = 66

x = 66 × (4/7)

x = 264/7

in decimal x = 37.714(apprx.)

Permutation test is used to synthesize the population distribution of the statistic of interest for hypothesis testing of mean, median, and quartiles

An estimation of the population distribution—the distribution from which our observations originated—is the goal of a permutation test. We can then calculate how uncommon our observed values are in comparison to the population.

I find the permutation test to be more natural, and it only relies on the assumption of random assignment of treatment groups.

In a permutation test, you compare the observed test statistic to the distribution of values

you get when the treatment group assignments are shuffled/randomized/permuted.

The null hypothesis that two distinct groups originate from the same distribution is tested using permutation tests, also known as exact tests, randomization tests, or re-randomization tests. A permutation test can be used for hypothesis testing or significance testing (including A/B testing) without requiring any presumptions to be made about the distribution of the samples, such as that the samples must be normally distributed.

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Answer:

2/3

Step-by-step explanation:

4/3 or 1 1/2 divided by 2 is equal to 2/3

The hot air balloon travels 40 miles against the wind in the same amount of time that it travels 200 miles with the wind. Therefore, the rate of the hot air balloon against the wind is 40 miles/200 miles x 20 mph = 8 mph.

1. Calculate the ratio of the distance traveled against the wind compared to the distance traveled with the wind: 40 miles/200 miles = 0.2

2. Multiply the ratio by the speed of the wind: 0.2 x 20 mph = 4 mph

3. The speed of the hot air balloon against the wind is 8 mph.

The hot air balloon is able to travel at a speed of 20 mph when the wind is in its favor. However, when the wind is not in its favor, the hot air balloon must travel against the wind, drastically decreasing its speed. In the same amount of time, the hot air balloon was able to travel 40 miles against the wind while it was able to travel 200 miles with the wind. To calculate the speed of the hot air balloon against the wind, we can use the following formula: Speed = (Distance against the wind/Distance with the wind) x Speed of the wind. In this case, the ratio of the distance traveled against the wind compared to the distance traveled with the wind is 40 miles/200 miles = 0.2. When we multiply this ratio by the speed of the wind, which is 20 mph, we get 4 mph. Therefore, the rate of the hot air balloon against the wind is 8 mph.

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Answer:

All real numbers  are solutions

Step-by-step explanation:

Open the bracket

4(2x+3)=2(4x+6)

8x +12=8x +12

8X-8X=12- 12

=0

The equation is an identity hence, all real numbers are solutions(1,2,3,4 etc)

The equation 7.50h + 50/4h = 18h + 33 which represent a possible constraint about a situation gives the value of h as 16.5

7.50h + 50/4h = 18h + 33

Collect like terms

7.50h + 50/4h - 18h = 33

7.50h + 12.5h - 18h = 33

2h = 33

divide both sides by 2

h = 33/2

h = 16.5

In conclusion, the value of h from the given equation is 16.5

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The required coordinate pair for W" is (2,-3)

When a point is reflected over axes, its position changes and sign of coordinates also change.

Given that, Point W is located at (-2, 3) on a coordinate plane. Point W is reflected over the x-axis to create point W'. Point W' is then reflected over the y-axis to create point W".

When a point is reflected over the x-axis, then we know,

(x, y) = (x,-y)

W(-2,3) = W (−2,−3)

And,

When a point is reflected over the y-axis, then we know,

(x, y) = (-x, y)

Therefore, W'(-2,-3) = W" (2,-3)

Hence, the coordinates of the point W" are (2,-3)

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On solving the provided question, we can say that the root of the equation [tex](x^2 - 10x+21)(x+7)=0[/tex]are x= -7,+7,3

An equation is a mathematical statement that proves two mathematical expressions are equal in algebra, and this is how it is most commonly used. In the equation 3x + 5 = 14, for instance, the two expressions 3x + 5 and 14 are separated by the symbol "equal."

A quadratic equation is a second-order polynomial equation in one variable that goes like this: x ax2 + bx + c=0, where a 0. Given that it is a second-order polynomial equation, the algebraic basic theorem ensures that it has at least one solution. Real or complicated solutions are both possible.

Set the denominator to 0

[tex](x^2 - 10x+21)(x+7)=0\\(x^2-7x-3x+21)(x+7)=0\\(x(x-7)-3(x-7))(x+7)=0\\(x-7)(x+7)(x-3)=0\\ (x-3)(x^2 - 7^2)=0\\x= -7,+7,3[/tex]

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Answer: An ISOSCELES triangle.

Step-by-step explanation:

It has two sides of equal length.

The angles opposite to the equal sides are also equal in measure.

Answer: x=2

Step-by-step explanation:

Area of square = s^2

So we know that (2x+3)^2 = 49

We get rid of the square root first

2x + 3 = 7

2x = 4

x = 2

The best option for Janet will be to open an educational account.

The basic structure of student bank accounts is frequently the same as that of the institution's standard offerings, with adjustments made for students' typically lower amounts.

These organisations may remove maintenance fees or minimum balance requirements, provide free ATM withdrawals, offer budgeting apps or programmes, or even waive fees altogether because students are still learning how to manage their finances and navigate their daily financial lives.

Some benefits of educational account is

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The expressions have, the first expression has degree 5, end behavior to ± infinite terms , zeros are h = 0, -1/2 , -1/2, 11 , 11 and 2 multiplicity -1/2 and 11 and sketch is drawn in image 1. And second expression has degree 4, end behavior to + infinite terms , zeros are x = 0,0, 3,-3. , 2 multiplicity of 0 and sketch is drawn in image 2.

An expression that consists of variables, constants, and exponents that is combined using mathematical operations like addition, subtraction, multiplication, and division is referred to as a polynomial.

Given that the expression ;

T(h) = h (2h + 1)²(h - 11)² and D(x) = 3x⁴ - 27x²

Now for the first expression T(h) = h (2h + 1)²(h - 11)²

Simplifying, the expression;

T(h) = h (2h + 1)²(h - 11)²

Degree of the highest polynomial of above expression is 5.

To find end behavior, we will find the factors of expression;

T(h) = h (2h + 1)²(h - 11)²

Here, h = 0,  (2h + 1)² = 0 , (h - 11)²= 0

h= 0 , h = -1/2 , -1/2 and h = 11 , 11

Multiplicity of -1/2 is 2 and 11 is 2.

End behavior, given expression has 2 pair of repeated roots.

And  (2h + 1)² ≥ 0 , (h - 11)²≥ 0

So the expression behavior depends on the term h alone.

And also it is an even polynomial.

So the graph of expression varies to infinity term for both positive and negative.

Zeros of the polynomial are  h = 0, -1/2 , -1/2, 11 , 11.

Sketch 1,

Now for the second expression D(x) = 3x⁴ - 27x²

Simplifying, the expression;

D(x) = 3x⁴ - 27x²

Degree of the highest polynomial of above expression is 4.

To find end behavior, we will find the factors of expression;

D(x) =3x²(x+3)(x−3)

Here, x = 0,0, 3,-3.

Multiplicity of 0 is 2.

End behavior, it is an odd polynomial. So the graph of expression varies to positive infinity.

Sketch 2,

Therefore, the first expression has degree 5, end behavior to ± infinite terms , zeros are h = 0, -1/2 , -1/2, 11 , 11 and 2 multiplicity -1/2 and 11 and sketch is drawn in image 1. And second expression has degree 4, end behavior to + infinite terms , zeros are x = 0,0, 3,-3. , 2 multiplicity of 0 and sketch is drawn in image 2.

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The number of red balls Luke has at the start is 47.

blue ball per day = 2

red ball per day = -3 ('-' ve sign as he is loosing them)

let the number of red balls be represented by r

let the number of blue balls be represented by b

after 5 days

b+ 10 = r -15 -(i)

After 9 days

b + 18 =2(r-27)-(ii)

subtracting (i) from (ii)

b + 18 - b - 10 = 2r - r - 54 +15

8 = r - 39

r = 39 + 8

r = 47

The number of red balls Luke has at the start is 47

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The standard error of the estimate is like a standard deviation for all error scores in a regression.

The standard deviation of the sample distribution is referred to as the standard error in statistics. In most cases, the sample mean of a data set differs from the actual population mean. SE is used to denote it. It is used to gauge how well a sample of a population represents that population.

The measure of the sample mean of the population is expressed as the standard deviation of the measure of the standard error of the mean, also known as the standard deviation of the mean. It is referred to as SEM. For instance, the sample mean typically serves as an estimator of the population mean. However, if we take yet another sample from the same population, it can yield a different result.

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The amount of the pizza did Cassie eat on Saturday will be 5/9 of pizza.

What is mean by Fraction?

A fraction is a part of whole number, and a way to split up a number into equal parts. Or, A number which is expressed as a quotient is called fraction. It can be written as the form of p : q, which is equivalent to p / q.

Given that;

On Friday night, Cassie ate a pizza for dinner and had 5/6 of the pizza left over.

And, On Saturday, she ate 1/3 of what was left.

Now,

Since, On Saturday, she ate 1/3 of what was left.

Hence, The amount of the pizza did Cassie eat on Saturday is;

⇒ 5/6 - 1/3 of 5/6

⇒ 5/6 - 1/3 × 5/6

⇒ 5/6 - 5/18

⇒ 15/18 - 5/18

⇒ 10/18

⇒ 5/9

Thus, The amount of the pizza did Cassie eat on Saturday will be 5/9 of pizza.

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Answer:

Sum of G.P. series is given by,

Sum=

r−1

a(r

n

−1)

when r>1

Where a= first term, n=n

th

term and r is common ratio.

Here, a=1,n=10,r=

3

S

10

=

(

3

−1)

1×{(

3

)

10

−1}

=

(

3

−1)

(3

5

−1)

×

(

3

+1)

(

3

+1)

=

(3−1)

242(

3

+1)

=121(

3

+1).

A 95% confidence interval for percent of american adults who believe in aliens:  (0.6578, 0.7822)

In this question we have been given that in a survey conducted on an srs of 200 american adults, 72% of them said they believed in aliens

We need to find the 95% confidence interval for percent of american adults who believe in aliens.

95% confidence interval = (p ± z√[p(1 - p)/n])

Here, n = 200

p = 72%

p = 0.72

And the z-score for 95% confidence interval is 1.960

The upper limit of interval would be,

(p + z√[p(1 - p)/n])

= 0.72 + 1.960 √[0.72(1 - 0.72)/200]

= 0.72 + 1.960 √[(0.72 * 0.28)/200]

= 0.72 + 1.960 √0.001008

= 0.72 + 0.0622

= 0.7822

The lower limit of interval would be,

(p - z√[p(1 - p)/n])

= 0.72 - 1.960 √[0.72(1 - 0.72)/200]

= 0.72 - 1.960 √[(0.72 * 0.28)/200]

= 0.72 - 1.960 √0.001008

= 0.72 - 0.0622

= 0.6578

Therefore, a 95% confidence interval = (0.6578, 0.7822)

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Cumulative algorithm can only be used with primitive data types . True

The emphasis here is to understand the difference and uses of the cumulative algorithm and primitive data type.

The cumulative algorithm is defined as a sequential analysis method which is used to monitor changes in data

Primitive data type is used to predefine operations of a programming language.

The relationship between the two is that both of them are used to organize data in the memory

In conclusion, Cumulative algorithm can only be used with primitive data types

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