Question: The competing hypotheses for a hypothesis test are as follows: H0: < 1000 Ha: > 1000 Assume the population standard deviation is known

The competing hypotheses for a hypothesis test are as follows: H0: μ < 1000 Ha: μ > 1000 Assume the population standard deviation is known to be 80. A random sample of size 64 has a sample mean of 1020.
a. Calculate the p value for the sample result.
b. For a significance level of .05, should you reject the null hypothesis? For a significance level of .01? Explain your answers.

Step by Step Solution

3.36 Rating (152 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

a z stat 1020100080 64 20 From the normal table the area for a z scor... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

486-M-S-H-T (1202).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!