Question

Consider the following hypothesis test:

  Ho: µ ≤ 50

  Ha: µ > 50

  A sample of 60 is used and the population standard deviation is 8. Use the critical value approach to state your conclusion for each of the following sample results. Use α = 0,05.

a.x-bar = 52,5

b.x-bar = 51

x-bar = 51,8

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Math
Statistics

Hypothesis Testing

Related Statistics Q&A

Find answers to questions asked by students like you.

Q: Among 15 male applicants for a postal service job, nine have working wives. If 3 of the male applica...

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-pa...

Q: Do Babies Understand Probability?Can babies reason probabilistically? A study1 investigates this by ...

A: Click to see the answer

Q: Find the level of a two-sided confidence interval that is based on the given value of tn−1,α/2and th...

A: Click to see the answer

Q: Use the normal distribution to approximate the desired probability.Merta reports that 74% of its tra...

A: Click to see the answer

Q: In an experiment involving the breaking strength of a certain type of thread used in personal flotat...

A: Solution: Let X be the strength of thread treated for 60 seconds and Y be the strength of thread tre...

Q: The article “A Music Key Detection Method Based on Pitch Class Distribution Theory” (J. Sun, H. Li, ...

A: Solution: a. Let X be the number of pieces for which the key will be correctly identified and n be t...

Q: If X is an unbiased measurement of a true value Pg, and U(X) is a nonlinear function of X, then in m...

A: Click to see the answer

Q: A sample of 114 patients were given a drug to lower cholesterol. A 95% confidence interval for the m...

A: Click to see the answer

Q: The following table shows age distribution and location of a random sample of 166Buffalo in Yellowst...

A: Obtain the probability that it is calf if a Yellowstone buffalo is selected at random. The probabili...