Essay
The manager of a grocery store wants to determine whether the amount of water contained in 1-gallon bottles purchased from a nationally known manufacturer actually averages 1 gallon.It is known from the specifications that the standard deviation of the amount of water is equal to 0.02 gallon.A random sample of 32 bottles is selected,and the mean amount of water per 1-gallon bottle is found to be 0.995 gallon.Calculate the test statistic.
Correct Answer:
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−1.41
z = (0.995 − 1...View Answer
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Correct Answer:
Verified
z = (0.995 − 1...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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