(Answered) Question consider h0 mu 80 versus h1 mu ne 80 for a

Statistics

Question: Consider H₀: μ = 80 versus H₁: μ ≠ 80 for a population that is normally distributed.

a. A random sample of 25 observations taken from this population produced a sample mean of 77 and a standard deviation of 8. Using α = .01, would you reject the null hypothesis?

b. Another random sample of 25 observations taken from the same population produced a sample mean of 86 and a standard deviation of 6. Using α = .01, would you reject the null hypothesis?

Comment on the results of parts a and b.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92488803
Price:- $15

Verified Expert

Priced at $30 Now at $15, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Consider projects a and b with the following cash

Consider projects A and B with the following cash flows: C0 C1 C2 C3 A -$29 $18 $18 B -$54 29 29 What is the profitability index of each project? (Do not round intermediate calculations. Round your answers to 2 decimal ...

You are leasing a car for 48 months you put down 2000 now

You are leasing a car for 48 months. You put down $2000 now and agree to $500 monthly payments. The residual value is $15,000. The financing rate is 8% (monthly compounded). How much is the car worth?

In a certain city a school administrator hypothesized that

In a certain city, a school administrator hypothesized that students enroll in school within 5 km from their homes. To check this claim you asked 30 student from the said city and you found that the mean distance between ...

What is liquidity and why is liquidity important to the

What is liquidity and why is liquidity important to the success of a business? Give the Reference

The december cbot treasury bond futures contract is quoted

The December CBOT Treasury bond futures contract is quoted at 92-19. If annual interest rates go up by 1.50 percentage points, what is the gain or loss on the futures contract? (Assume a $1,000 par value, and round to th ...

List three ways organizations provide context for their

List three ways organizations provide context for their financial ratios, in other words what is the basis of on which they compare their results?

Suppose a sample space has things ab and c twice draw from

Suppose a sample space has things a,b and c. Twice, draw from the sample space and replace. The possible sequences formed are {aa, ab, ac,ba,bb, bc,ca,cb,cc} Now suppose there are Y different things. There are Y ways the ...

Loking for guidancea distribution of exam scores has mu

Looking for guidance: A distribution of exam scores has μ = 90 and σ = 10. In this distribution, Sharon's score is 9 points above the mean, Jill has a z-score of +1.20, Steve's score is ½ standard deviation above the mea ...

A researcher records the following number of birdcalls made

A researcher records the following number of birdcalls made during an experimental session with robins: 8.4 0.9 (M SD). Assuming these data are normally distributed, what is the probability that robins made more than 11 ...

1 summary statistics for returns on two stocks x and y are

1. Summary statistics for returns on two stocks X and Y are listed below. Mean Variance Stock X 2.83% 0.006000 Stock Y 5.98% 0.003000 The covariance of returns on stocks X and Y is 0.001500. Consider a portfolio of 80% s ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert