pls pls help if you get it right ill mark you brainilest

Outliers are observations in a dataset that significantly deviate from the majority of the data points. These observations can affect the statistical analysis, as they can skew the results or increase the error in the model.

In logistic regression, outliers can be problematic as they can cause the model to overfit or underfit the data. Overfitting occurs when the model is too complex and captures noise or outliers in the data, while underfitting occurs when the model is too simple and cannot capture the underlying patterns in the data.

The sigmoid function used in logistic regression can mitigate the problem of outliers by compressing extreme values in the data towards the middle of the function. The sigmoid function is a curve that approaches 0 or 1 as the input value becomes very negative or very positive, respectively. This means that extreme values in the data will be transformed to values closer to 0 or 1, which can reduce the influence of outliers on the model.

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The coordinates of the triangle after translation would be A'(-2,3), B'(-1,1), and C'(-4,0).

To translate the triangle by a shifting factor of [-5,3], we need to move each point of the triangle horizontally by 5 units to the left (subtract 5 from the x-coordinate) and vertically by 3 units upwards (add 3 to the y-coordinate).

Let's take the point A(3,0) as an example. To obtain the new coordinates A', we need to subtract 5 from the x-coordinate and add 3 to the y-coordinate

A' = (3 - 5, 0 + 3) = (-2, 3)

Similarly, for point B(4,-2), we get

B' = (4 - 5, -2 + 3) = (-1, 1)

For point C(1,-3), we get

C' = (1 - 5, -3 + 3) = (-4, 0)

Therefore, the new coordinates of the triangle would be A'(-2,3), B'(-1,1), and C'(-4,0).

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Answer:

answer will be B or C try doing the calculation method that was thought to you

Answer:  B, C , E, F

Step-by-step explanation:

Each letter corresponds to the letter of the other triangle

So they have to be in same places

Answer:

1/2(6*6)+3/2(6*4)

2*36 +72/2

144/2 =72

Formulated theorem is for any positive integer n,

If n is a multiple of 3, then second player will win in game of taking stones from a heap described above else first player will win.

Total 3 base cases are required.

Proof of the theorem by mathematical induction,

Base case,

For n = 1, the first player must take the only stone and wins.

For n = 2, the first player can take two stones and wins.

For n = 3, the first player can take one stone and leave the second player with two stones, ensuring the second player will lose.

The base cases are true.

Inductive step,

Assume that the theorem is true for all positive integers k ≤ n.

Show that the theorem is true for n+1.

If n+1 is not a multiple of 3, then the first player can take one or two stones to reduce the heap size to a multiple of 3.

Second player will then be in position of having to take last stone from a heap of size that is a multiple of 3 and so will lose.

The first player can always force a win when n+1 is not a multiple of 3.

If n+1 is a multiple of 3, then regardless of how many stones the first player takes.

The second player can always leave the first player with a heap of size that is not a multiple of 3 on their turn.

By the assumption of the theorem,

This means that the second player can force a win.

This implies, the second player can always win when n+1 is a multiple of 3.

Since the inductive step assumes that the theorem is true for all positive integers up to n.

Therefore, the theorem is true for all positive integers n and  needed to prove the base cases for n = 1, 2, and 3.

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Answer:

(6 times x)+2

Step-by-step explanation:

that's how you write it. have a good day :)

Answer:

The percent change can be calculated as:

percent change = (new value - old value) / old value x 100%

Using the given values, we get:

percent change = (10 - 18) / 18 x 100%

percent change = -8 / 18 x 100%

percent change = -44.44%

Therefore, the percent change from 2010 to 2011 is -44.44%, which represents a decrease of 44.44%

Step-by-step explanation:

gg

The dental specialist might utilize a speculation test for contrast in two populace implies in case they were comparing the number of cavities.

patients who utilized the unused fluoride toothpaste to the number of cavities in patients who utilized standard toothpaste. 

In this case, the dentist was interested in having two independent groups (patients with new fluoride toothpaste and patients with standard toothpaste) and comparing the average number of caries in each group.

If the hypothesis test conditions for the difference between the two population means are met (e.g., normality and equal variance),

the dentist performs her t-test to find statistics that can determine whether there is a significant difference between the two groups. 

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The surface area of a cylinder is given by the formula:

A = 2πr² + 2πrh

where r is the radius of the circular base, h is the height of the cylinder, and π is the mathematical constant pi, which is approximately equal to 3.14.

In this case, we are given that the cylinder has a diameter of 15 inches, so the radius is 7.5 inches (half of the diameter). We are also given that the height of the cylinder is 5 inches. Using these values in the formula, we can calculate the surface area of the cylinder as:

A = 2π(7.5)² + 2π(7.5)(5)

= 2π(56.25) + 2π(37.5)

= 2(π)(93.75)

= 187.5π

≈588.75

Therefore,

                 we need approximately 588.75 square inches of leather to create the travel case.

Answer:

1.5 cups

Step-by-step explanation:

We Know

Milan drank 12 fluid ounces of juice.

How much is this in cups?

Let'solve

1 ounce = 0.125 cup

12 ounces = 0.125 x 12 = 1.5 cups

So, Milan drank 1.5 cups of juice.

The interpretation of R-square in this simple regression model is that 87% of the variation in the dollar price of unleaded gas can be explained by the variation in the dollar price of crude oil, which is option A.

R-square is a measure of how much of the variability in the dependent variable (dollar price of unleaded gas) is explained by the independent variable (dollar price of crude oil).

An R-square of 0.87 means that 87% of the variation in the dependent variable can be explained by the independent variable. Therefore, option A correctly interprets the meaning of R-square in this regression model.

Option B is incorrect as it suggests the opposite relationship, and option C is incorrect as it refers to the sum of squared errors, not the R-square. Option D is also incorrect as R-square does not measure the accuracy of the forecasting model.

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--The given question is incomplete, the complete question is given

" Consider the following results of a simple regression model of dollar price of unleaded gas (dependent variable) and dollar price of crude oil independent variable): If the Table Does not display, this is the data: Coefficient T Stats Intercept Crude Oil 0.56 0.0457 28.27 73.34 Icoefficient Ilt-statistics Intercept 10.56 28.27 Crude Oil 0.0457 73.34 R-square - 0.87 What is the interpretation of R-square? O a. 87% of the movement in crude oil price can be explained by the changes in unleaded gas price. 6.87% of the movement in unleaded gas price can be explained by the changes in crude oil price O c. the sum of squared errors is close to 8796. O d.87% of the time this forecasting model will correctly predict the price of unleaded gas."--

The surface area of the cylinder will be 588.75 square inches. Then the correct option is B.

Given that:

Diameter, d = 15 inches

Height, h = 5 inches

The radius of the circle is calculated as,

r = d / 2

r = 15 / 2

r = 7.5

Let r be the radius and h be the height of the cylinder. Then the surface area of the cylinder will be given as,

SA = 2 x 3.14 x 7.5 (5 + 7.5)

SA = 47.1 x 12.5

SA = 588.75 square inches

The surface area of the cylinder will be 588.75 square inches. Then the correct option is B.

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Matches the given total of the boxes.

what is  variables?

In mathematics, a variable is a symbol or letter that represents a value that can change or vary. Variables are commonly used in algebraic expressions and equations to denote unknown values that need to be determined, or to represent values that can change in a given situation.

For example, in the equation y = 2x + 3, x is a variable that can represent any number, and y is the value that results from multiplying x by 2, adding 3, and solving for y. In this case, x can be any number, so it is a variable.

Let's start by assigning variables to represent the weight of a large box and a small box. Let L be the weight of a large box and S be the weight of a small box.

From the problem statement, we know that the combined weight of a large box and a small box is 70 pounds. So we can write:

L + S = 70

total weigh

We also know that the truck is transporting 50 large boxes and 60 small boxes, for a total of 110 boxes. Let's call the number of large boxes "x" and the number of small boxes "y". We know that:

x + y = 110

Finally, we know that the total weight of the boxes is 3750 pounds. We can use this information to set up another equation involving L and S:

50L + 60S = 3750

Now we have three equations:

L + S = 70

x + y = 110

50L + 60S = 3750

We can use the first equation to solve for one of the variables in terms of the other. For example, we can solve for L in terms of S:

L = 70 - S

We can substitute this expression for L into the third equation:

50(70 - S) + 60S = 3750

Simplifying and solving for S, we get:

S = 35

So a small box weighs 35 pounds. We can substitute this value into the equation L + S = 70 to solve for L:

L + 35 = 70

L = 35

So a large box also weighs 35 pounds.

Therefore, a large box and a small box together weigh 70 pounds, and a large box and a small box each weigh 35 pounds. The truck is transporting 50 large boxes and 60 small boxes, for a total weight of:

50(35) + 60(35) = 1750 + 2100 = 3750

which matches the given total weight of the boxes.

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The sample space for rolling a fair eight-sided die is

Sample space is a term that refers to the number of possible outcome in a probability event. In other words this refers to all the numbers that will possibly show up in an event.

In this case, which involve rolling of a eight sided die, the die will have face numbered as 1, 2, 3, 4, 5, 6, 7, 8.

The numbers of the face represents the possible outcomes and this helps us to see that the last option being S = {1, 2, 3, 4, 5, 6, 7, 8} will be a better choice.

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The contribution of Monday absences to the chi-square test statistic comes up to (100 / 30) ≈ 3.33.

In order to calculate the contribution of Monday absences to the chi-square test statistic, these steps must be taken:

First, determine the expected volume of absences in each day based on an equal rate of absenteeism (150 total absences / 5 days = 30 absences/day).

Next, find out the divergence between the computed (40) and projected (30) absences for Monday.

Then, raise the difference (40 - 30)^2 = 100.

Finally, divide that squared difference by the estimated value (100 / 30).

As a result, the contribution of Monday absences to the chi-square test statistic comes up to (100 / 30) ≈ 3.33.

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The slope of the line passing through (-3, -1) and (3, 3) is 2/3, which is found using the slope formula that calculates the change in y over the change in x.

To find the slope of the line that contains the points (-3, -1) and (3, 3), we can use the slope formula

slope = (change in y)/(change in x) = (y2 - y1)/(x2 - x1)

Substituting the values of the given points, we get

slope = (3 - (-1))/(3 - (-3))

slope = (3 + 1)/(3 + 3)

slope = 4/6

slope = 2/3

Therefore, the slope of the line that contains the points (-3, -1) and (3, 3) is 2/3.

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Answer:  CDs are low-risk, low-return investments that are best suited for people looking to save money over the short term or those who want to avoid any kind of risk. Mutual funds offer higher potential returns, along with higher risks, making them best suited for long-term investors who can ride out price fluctuations.

Step-by-step explanation: Hope this helps

Certificates of deposit are safer but offer lower returns, while mutual funds carry higher risk but potentially higher returns. For the highest return, mutual funds may be preferable. But the decision should be based on one's risk tolerance and investment strategy.

Certificates of deposit (CDs) and mutual funds are both viable investment options, but they differ greatly. CDs are considered safer as they often guarantee a certain rate of return after a fixed period. On the contrary, mutual funds carry higher risk, but they potentially offer a higher return as they are linked to the stock market's performance.

If the highest rate of return is your primary goal, typically, a mutual fund might be a better option. This prospect carries inherent stock market risk, but the return can be substantially higher when compared to a CD. However, it is important to understand the potential risks and make sure it meshes well with your overall risk tolerance and investment strategy.

Remember that investment decision should be made on an individual basis and it's always advisable to consult with a financial adviser.

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Answer:

The cover should be at least 4 meters in diameter to cover the entire circular pool.

Step-by-step explanation:

To determine the size of the cover, we need to calculate the diameter of the pool, which is twice the radius.

Diameter = 2 x radius = 2 x 2 m = 4 m

Answer: A=12.56 m²

Step-by-step explanation:

Given:

r=2

Reasoning:

To cover a pool you need area.  How large is the pool area.

Solution:

Formula for Area for a circle

A=[tex]\pi r^{2}[/tex]         substitute r=2

A=[tex]\pi (2^{2} )[/tex]      use 3.14 for pi

A=3.14(2²)      2²=4

A=3.14(4)        multiply

A=12.56 m²

Answer:

A 3x+2

Step-by-step explanation:

2(3x-1)-3x+4

  6x-2-3x+4

   3x+2

Answer:

Step-by-step explanation:

3x+2

The possible end locations of the student are (-4, -9), (-10, -9), (-7, -12), and (-7, -6).

To determine which of the given points could be the end location of the student, we need to consider the possible directions the student could have walked in terms of changes in the x and y coordinates.

Starting at (-7, -9), if the student walks 3 miles north, the y-coordinate increases by 3 to -6. Similarly, if the student walks 3 miles south, the y-coordinate decreases by 3 to -12. If the student walks 3 miles east, the x-coordinate increases by 3 to -4, and if the student walks 3 miles west, the x-coordinate decreases by 3 to -10.

Based on these possible movements, we can eliminate some of the answer choices. For example, (3, -9), (6, -9), (-7, -4), and (-7, 3) are all more than 3 units away from the starting point and thus cannot be the end location.

To determine the remaining possibilities, we can compare the remaining answer choices to the changes in x and y coordinates that result from walking 3 miles in one of the four cardinal directions. The only options that match up with these changes are (-4, -9), (-10, -9), (-7, -12), and (-7, -6).

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The interval of x-values over which the function is increasing is (-2, 1).

We have,

To determine the interval of x-values over which the function is increasing, we need to look for where the function values are increasing as the input values increase.

In other words,

We need to find where the slope of the function is positive.

Using the table,

We can see that the function values are decreasing over the intervals

(-6, -5), (-5, -4), (-4, -3), (-3, -2), (-2, -1), (0, 1).

Therefore, the function is not increasing over any of these intervals.

However,

Between x = -2 and x = 1, the function values are increasing.

Therefore,

The interval of x-values over which the function is increasing is (-2, 1).

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Answer:

Step-by-step explanation: x-axis interception points of 8−2x:    (4, 0)

y−axis interception point of 8−2x:    (0, 8)

Answer:

--------------------

Given system:

Equate the right sides to get a quadratic equation:

The discriminant of ax² + bx + c = 0 is D = b² - 4ac.

Substitute a = 1, b = 3, c = 8 and find the value of D:

Since D < 0, there is no real solution, hence the correct choice is A.

Answer:

.

Step-by-step explanation:

To solve the system of equations:

Y = 2x + 6 ...(1)

6x – 7y = −18 ...(2)

We can substitute equation (1) into equation (2) for y:

6x - 7(2x + 6) = -18

Simplifying, we get:

6x - 14x - 42 = -18

-8x = 24

x = -3

Now, we can substitute x = -3 into equation (1) to find y:

y = 2(-3) + 6

y = 0

Therefore, the solution to the system of equations is:

x = -3, y = 0.

John will earn an annual interest of $500 on a beginning balance of $10,000 at a rate of 5% per year. After one year, the ending balance will be $10,500. John earned $160 in interest after leaving his initial deposit of $8,000 in the bank for first year with annual compounding at a 2% interest rate. His ending balance was $8,160. The table shows his ending balance for years 5-10.

Here, we have,

We can use the formula for simple interest to calculate the annual interest earned by John on a balance of $10,000 at a rate of 5% per year

Annual interest = (Principal x Rate x Time) / 100

where Principal is the beginning balance, Rate is the interest rate, and Time is the duration of investment in years.

Substituting the given values, we get

Annual interest = (10000 x 5 x 1) / 100 = $500

Therefore, the annual interest earned by John on a balance of $10,000 at a rate of 5% per year is $500.

Ending balance after one year = Beginning balance + Annual interest = $10,000 + $500 = $10,500.

since the term of the annual CD is four years, and John will leave his money in the bank for four years, we can calculate the ending balance at the end of each year using the formula above.

For year 5

P = $8,160

r = 0.02

n = 1

t = 1

A = $8,160 (1 + 0.02/1)^(1x1) = $8,324.80

For year 6

P = $8,324.80

r = 0.02

n = 1

t = 1

A = $8,324.80 (1 + 0.02/1)^(1x1) = $8,492.78

For year 7

P = $8,492.78

r = 0.02

n = 1

t = 1

A = $8,492.78 (1 + 0.02/1)^(1x1) = $8,664.28

For year 8

P = $8,664.28

r = 0.02

n = 1

t = 1

A = $8,664.28 (1 + 0.02/1)^(1x1) = $8,839.44

For year 9

P = $8,839.44

r = 0.02

n = 1

t = 1

A = $8,839.44 (1 + 0.02/1)^(1x1) = $9,018.34

For year 10

P = $9,018.34

r = 0.02

n = 1

t = 1

A = $9,018.34 (1 + 0.02/1)^(1x1) = $9,201.05

Therefore, the table for years 5 through 10 would look like

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