subject
Business, 16.04.2020 19:34 bob4059

The average gasoline price of one of the major oil companies has been $2.20 per gallon. Because of cost reduction measures, it is believed that there has been a significant reduction in the average price. In order to test this belief, we randomly selected a sample of 36 of the company's gas stations and determined that the average price for the stations in the sample was $2.14. Assume that the standard deviation of the population (s) is $0.12.

a.

State the null and the alternative hypotheses.

b.

Compute the test statistic.

c.

What is the p-value associated with the above sample results?

d.

At 95% confidence, test the company's claim.

ansver
Answers: 2

Other questions on the subject: Business

image
Business, 22.06.2019 11:00, jilliand2030
Why are the four primary service outputs of spatial convenience, lot size, waiting time, and product variety important to logistics management? provide examples of competing firms that differ in the level of each service output provided to customers?
Answers: 1
image
Business, 22.06.2019 20:10, janayflowers042
Russell's is considering purchasing $697,400 of equipment for a four-year project. the equipment falls in the five-year macrs class with annual percentages of .2, .32, .192, .1152, .1152, and .0576 for years 1 to 6, respectively. at the end of the project the equipment can be sold for an estimated $135,000. the required return is 13.2 percent and the tax rate is 23 percent. what is the amount of the aftertax salvage value of the equipment assuming no bonus depreciation is taken
Answers: 2
image
Business, 23.06.2019 01:00, softballgirl3589
Tariffs and quotas are often imposed when a government is more responsive to interests, and the benefits of those trade restrictions are often ; concentrated producer; widely dispersed consumer; widely dispersed consumer; concentrated
Answers: 3
image
Business, 23.06.2019 03:50, brooke2828
What is inventory turnover? explain the effect of a high inventory turnover during the christmas shopping season.
Answers: 1
You know the right answer?
The average gasoline price of one of the major oil companies has been $2.20 per gallon. Because of c...

Questions in other subjects: