Test the hypotheses using the critical value approach

Reference no: EM13156669

Consider the following hypotheses test.

Ho: u >= 80
Ha: u < 80

A sample of 121 provided a sample mean of 77.3. The population standard deviation is known to be 16.5.

a. Compute the value of the test statistic.
b. Determine the p-value; and at 93.7% confidence, test the above hypotheses.
c. Using the critical value approach at 93.7% confidence, test the hypotheses.

Reference no: EM13156669

Questions Cloud

Explain the assumptions that go into the correct formula : Specify the correct and \simpli ed" formulas for this rate of returnfrom the text and course lectures, and explain the assumptions that go into thecorrect formula.

Visit a reputable website-newspaper : Research two countries whose relationship has been in the news recently. Visit a reputable Website, newspaper, or TV broadcast to catch up on the latest events in their interactions

Passive loss deduction that can offset nonpassive income : Bill Goggans died and left passive activity property to his nephew, Travis. Bill's basis in the activity was $30,000, while Travis' basis was stepped up to $50,000. Suspended losses amounted to $22,000. How much is the passive loss deduction that ..

Problem of perpetual inventory system : When merchandise is returned under the perpetual inventory system, the buyer would credit:

Test the hypotheses using the critical value approach : A sample of 121 provided a sample mean of 77.3. The population standard deviation is known to be 16.5. Compute the value of the test statistic.

How much heat will be released : if 8.40 grams of C are burned, how much heat will be released for the following balanced reaction: C + O2 -> CO2 + heat (393 KJ)

How the high glycolytic rate of tumors has been used : Explain how the high glycolytic rate of tumors has been used as tool for diagnosis. Explain the biochemical basis of PET.

What will be the net capital formation in the economy : If the total issues in an economy are Rs 4,50,000, the financial interrelations ratio is 1.17, and the new issue ratio is 0.72, what will be the net capital formation in the economy?

How much net operating income increase : Due to an increase in demand, the company estimates that sales will increase by $53,000 during the next year. By how much should net operating income increase (or net loss decrease) assuming that fixed costs do not change?

User Account

All Pages