Thursday

February 26, 2015

February 26, 2015

Posted by **Kevlin Mar** on Thursday, April 18, 2013 at 4:48pm.

that a new economy model will travel at least 25 miles per gallon of gasoline (H0: μ 25).

a. With a .02 level of significance and a sample of 30 cars, what is the rejection rule based

on the value of for the test to determine whether the manufacturer’s claim should be

rejected? Assume that σ is 3 miles per gallon.

b. What is the probability of committing a Type II error if the actual mileage is 23 miles

per gallon?

c. What is the probability of committing a Type II error if the actual mileage is 24 miles

per gallon?

d. What is the probability of committing a Type II error if the actual mileage is 25.5 miles

per gallon?

**Answer this Question**

**Related Questions**

statistics - A consumer group is testing a manufacturer’s claim that a new car ...

statistics - Your muffler factory claims to manufacture mufflers with a ...

math - You are running a fuel economy study. one of the cars you find is blue. ...

Math - How much would it cost to drive an automobile that averages 22 miles per ...

math - Owners of SUVs need to know the miles per gallon every month. Given the ...

math - A saleman operates a car which averged 15 miles to a gallon of gasoline....

math - a vehicle uses 1 tablespoon of gasoline to drive 125 yard how many miles ...

Quantitative methods - Hostis sent a car company charges 45 dollars per day plus...

physics - S.O.S!!! In terms of saving energy, bicycling and walking are far more...

math-statistics - A manufacturer claims that the life span of its tires is 50,...