You are testing H0:μ=100 against Ha:μ<100 with degrees of freedom of 24. The t statistic is 2.25.
The P-value for the statistic falls between ____ and ____

Answer:

Step-by-step explanation:

\(\frac{9}{12}\)

\(\frac{4}{6}\) = \(\frac{8}{12}\)  

\(\frac{9}{12}\) > \(\frac{8}{12}\) ⇒ \(\frac{9}{12}\) > \(\frac{4}{6}\)

(A). The ratio 9 to 12 is greater than 4 to 6.

the answer is b i really hope this helped!

Step-by-step explanation:

Answer:

180

Step-by-step explanation:

The answer is 180 because 20 nickels make a dollar and you do 20x9 and that equals to 180

Answer:

$180 nickels

Step-by-step explanation:

9x 20= 180

The Wald test is a statistical test that can be used to test the significance of a group of coefficients in a multiple regression model.

The test statistic is calculated as the ratio of the estimated coefficient to its standard error. If the test statistic is significant, then the null hypothesis that the coefficient is equal to zero can be rejected.

Suppose we have a multiple regression model with three independent variables: age, gender, and education. We want to test the hypothesis that the coefficients for age and education are both equal to zero. The Wald test statistic would be calculated as follows:

Test statistic = (Estimated coefficient for age) / (Standard error of estimated coefficient for age) + (Estimated coefficient for education) / (Standard error of estimated coefficient for education)

If the test statistic is significant, then we can reject the null hypothesis that the coefficients for age and education are both equal to zero. This would mean that there is evidence that age and education are both associated with the dependent variable.

The Wald test is a powerful tool that can be used to test the significance of a group of coefficients in a multiple regression model. However, it is important to note that the test statistic is only valid if the assumptions of the multiple regression model are met. If the assumptions are not met, then the p-value of the Wald test may be inaccurate.

Here are some of the assumptions of the multiple regression model:

* The independent variables are independent of each other.

* The dependent variable is normally distributed.

* The errors are normally distributed.

* The errors have constant variance.

If any of these assumptions are not met, then the Wald test may not be accurate.

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Answer:

(x+5)(2x^2 +8)

Multiply (x+5) in both sides

(x+5)(2x^2) × (x+5)(8)

Answer is a

Answer:

$3.2

Step-by-step explanation:

We have to determine the price per mile. To do this divide $0.60 by 15

$0.60 / 15 = 0.04

Cost of driving on an 80 mile stretch = price per mile x total miles ddriven

$0.04 x 80 = $3.2

Answer:

60

Step-by-step explanation:

I took the test, used the girl below's answer and failed :) that is the correct answer <3 gl

Answer:

it's AAAAAAAAAAAAAAAAAAA

Answer:

It's A <3

I took the test. ^^

Answer: Campers: 7, 14, 28, 42

Adults: 1,2,5,30

Step-by-step explanation:

Answer:

Step-by-step explanation:

A solution for an inequality in x is a number such that when we substitute that number for x we have a true statement. So, 4 is a solution for example 1, while 8 is not. The solution set of an inequality is the set of all solutions.

Answer: -4, 4, and 64

Step-by-step explanation:

These answers are true:

c = -4

-4/4 = -1; -16<-1

c = 4

4/4 = 1; -16<1

c = 64

64/4 = 16; -16<16

Answer:it is 16%

Step-by-step explanation:

Answer:

16%

Step-by-step explanation:

Answer: −8.68n−6.8

Step-by-step explanation: To find the opposite of 4+14.3n, find the opposite of each term. 5.62n−2.8−4−14.3n. Subtract 4 from −2.8 to get −6.8. 5.62n−6.8−14.3n. Combine 5.62n and −14.3n to get −8.68n. −8.68n−6.8.

Answer: the answer is -8.68n-68

Step-by-step explanation:

(a) tangent line to the graph of f(x) = x^3 at the point (4,2).

(b) equation of the tangent line to the graph of f(x) = x^2 - x at the point (4,12).

(a) To find the equation of the tangent line to the graph of f(x) = x^3 at the point (4,2), we need to find the slope of the tangent line at that point. We can do this by taking the derivative of f(x) with respect to x and evaluating it at x = 4. The derivative of f(x) = x^3 is f'(x) = 3x^2. Evaluating f'(x) at x = 4 gives us the slope of the tangent line. Once we have the slope, we can use the point-slope form of a linear equation to write the equation of the tangent line.

(b) Similarly, to find the equation of the tangent line to the graph of f(x) = x^2 - x at the point (4,12), we differentiate f(x) to find the derivative f'(x). The derivative of f(x) = x^2 - x is f'(x) = 2x - 1. Evaluating f'(x) at x = 4 gives us the slope of the tangent line. Using the point-slope form, we can write the equation of the tangent line.

In both cases, the equations of the tangent lines will be in the form y = mx + b, where m is the slope and b is the y-intercept.

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Answer:

Priya practiced for: 75 x 152% = 114 minutes or 1 hour and 54 minutes

Hope this helps!

There are 63 pencils in the box, based on the given ratio of pencils to pens and the quantity of pens provided (36 pens).

To determine the number of pencils in the box, we can use the given ratio of pencils to pens and the quantity of pens provided.

Given that there are 7 pencils for every 4 pens, we can set up a proportion:

7 pencils / 4 pens = x pencils / 36 pens

To solve for x, the number of pencils, we can cross-multiply and solve the equation:

7 pencils * 36 pens = 4 pens * x pencils

252 pencils = 4x

Divide both sides of the equation by 4:

252 pencils / 4 = 4x / 4

63 pencils = x

Therefore, there are 63 pencils in the box.

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Answer:

w > 2

Steps:

w +2  > 4

w + 2 - 2 > 4 - 2

w > 2

Answer:

Step-by-step explanation:

3(d+1)=15

d+1=5

d=4

Answer:

$2 was the dollar gain for the stock XYZ

Answer:

$2158 dollars.

Step-by-step explanation:

The longer trip would cost $2158 dollars, because if you add the total difference of the two costs with the cost of the shorter trip, your answer would be $2158 dollars.

The area of each triangle should be rounded to the nearest hundredth.

The area of a triangle can be calculated using the formula A = (1/2)bh, where A represents the area, b represents the length of the base, and h represents the height of the triangle. To find the area, we need to know the values of the base and height.

For example, let's consider a triangle with a base of 5 units and a height of 8 units. Using the formula A = (1/2)bh, we can substitute the given values to calculate the area:

A = (1/2) * 5 * 8

A = (1/2) * 40

A = 20

Therefore, the area of the triangle is 20 square units.

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Step 1: Problem

Frankie's annual salary is $41,000.

She pays 1.45% of this amount in Medicare tax.

How much is this?

Step 2: Concept

Amount paid for medicare tax = percentage of the annual salary.

Step 3: Method

Step 4: Final answer

Amount paid for medicare tax = $594.5

Answer:

$216/4=$54

Step-by-step explanation:

You would have to divide to find the quotient because you have to find the cost of one sweater, and the question gave the total price, when you divide the total, in this case is $216 by the 4 sweaters you should get $54 for one! To check you can do 54x4 and you will get $216!

In problem 6, the given forces are F₁ = 21-2j, F₂ = i-4j, and F₄ = -3i-5j. We need to determine the force F₃ and its magnitude.

In problem 7, an airplane is flying due north at a velocity of 500 km/h. It experiences a crosswind flowing in the direction N60°E with a velocity of 80 km/h. We are asked to find the true velocity of the airplane and its speed.

In problem 6, to determine the force F₃ and its magnitude, we need to find the vector sum of the given forces. Adding the corresponding components of the forces, we get:

Fₓ = 21 - 3 = 18

Fᵧ = -2 - 4 - 5 = -11

So, F₃ = 18i - 11j

To find the magnitude of F₃, we use the formula:

||F₃|| = sqrt(Fₓ² + Fᵧ²) = sqrt(18² + (-11)²) = sqrt(324 + 121) = sqrt(445)

In problem 7(a), the true velocity of the airplane is found by considering the vector addition of the airplane's velocity (due north) and the crosswind's velocity (N60°E). We can use the magnitude and direction of the vectors to calculate the resultant velocity:

Resultant velocity = sqrt(500² + 80² + 2 * 500 * 80 * cos(60°)) = sqrt(250000 + 6400 + 80000) = sqrt(316400) km/h

In problem 7(b), the speed of the airplane is determined by considering only the magnitude of the true velocity. So, the speed is:

Speed = sqrt(500² + 80²) = sqrt(250000 + 6400) = sqrt(256400) km/h

By applying the calculations with the given values, we find that the force F₃ is 18i - 11j with a magnitude of sqrt(445), the true velocity of the airplane is sqrt(316400) km/h, and the speed of the airplane is sqrt(256400) km/h.

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Answer:

The probability of boy in seventh child is 1/2, because the possibility of male child is always 50%.

Step-by-step explanation:

Problem 16

This is because the two smaller sides 8 and 10 add to 8+10 = 18, but this is not greater than the side 21. For a triangle to be possible, the sum of any two sides must be larger than the third side. I recommend cutting out slips of paper of these lengths to confirm that a triangle is indeed not possible in this case.

=====================================================

Problem 17

Choice A is not the answer because 13+8 = 21, but that's not larger than the third side 21.

Choice C is not the answer because 6+11 = 17 which is not larger than 24.

Choice B is the only possible answer. Note we have the three following true inequalities

So adding any two sides of this triangle leads to a sum larger than the third side. We're using the triangle inequality theorem.

Answer:

19+j=59

Step-by-step explanation:

Sum means adding and "and" in math means +

The annual rate of decline is 5.3%.

What is exponential ?

Exponential refers to a mathematical function where the variable is in the exponent. Exponential functions have the general form:

\(f(x) = a^{x}\)

here "a" is a constant called the base, and "x" is the variable. When the base "a" is a positive number greater than 1, the function grows exponentially as "x" increases. When the base "a" is a number between 0 and 1, the function decays exponentially as "x" increases.

We can start by using the formula for exponential decay:

\(N(t) = N0 * (1 - r)^{t}\)

where N(t) is the population after t years, N0 is the initial population, r is the annual rate of decay (as a decimal), and t is the time in years.

We are given that the initial population is 670, so N0 = 670. After 4 years, the population has reduced to 557, so N(4) = 557. We can plug these values into the formula and solve for r:

\(557 = 670 * (1 - r)^{4}\)

\((557/670)^{1/4} = 1 - r\)

\(0.947 = 1 - r\)

\(r = 0.053\)

So the annual rate of decline is 5.3%.

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Answer:

D. Hamish earns $20 per hour, and Harry earns $26 per hour.

Step-by-step explanation:

Hamish and Harry work as plumbers. Harry earns a dollar more than 5/4 the amount Hamish earns per hour. The amount Harry earns per hour is $2 less than 7/5 the amount Hamish earns per hour. How much does each of them earn per hour?

Hamish earnings per hour = x

Harry earnings = 1 + 5/4x

The amount Harry earns per hour is $2 less than 7/5 the amount Hamish earns per hour

Harry also earns = 7/5x - 2

Equate both Harry's earnings

1 + 5/4x = 7/5x - 2

Collect like terms

1 + 2 = 7/5x - 5/4x

3 = 28x-25x/20

3 = 3/20x

Divide both sides by 3/20

x = 3 ÷ 3/20

= 3 × 20/3

x = 20

Hamish earnings per hour = x

= $20

Substitute Harry's earnings into 7/5x - 2

= 7/5 × 20 - 2

= 28 - 2

= 26

Harry's earnings = $26

D. Hamish earns $20 per hour, and Harry earns $26 per hour.