SOLUTION: The Engineering Department Claims the Average Battery Lifetime is 500 Minutes. You wish to check whether the lifetime is different from 500 Minutes. What type of hypothesis test i

Question 725811: The Engineering Department Claims the Average Battery Lifetime is 500 Minutes.
You wish to check whether the lifetime is different from 500 Minutes. What type of hypothesis test is it going to be?

two, right, or left tailed
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The Engineering Department Claims the Average Battery Lifetime is 500 Minutes.
You wish to check whether the lifetime is different from 500 Minutes. What type of hypothesis test is it going to be?
two, right, or left tailed
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Ans: "is different" implies "not equal" implies 2-tailed
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Cheers,
Stan H.
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