The manager of a grocery store wants to determine whether the amount of water contained in a 1L bottle purchased from a known manufacturer actually averages to 1L. It is known from the manufacturer's specifications that the standard deviation of the amount of water is equal to 0.02L. A random sample of 32 bottles is selected, and the mean amount of water per 1L bottle is found to be 0.995L.
-The null and alternative hypotheses to test that the manufacturer's claim is false is _____.
A) H0: µ ≤ .995 Ha: µ > .995
B) H0: µ ≠ 1 Ha: µ = 1
C) H0: µ ≥ 1 Ha: µ < 1
D) H0: µ = 1 Ha: µ ≠ 1
E) H0: µ ≤ 1 Ha: µ > 1
Correct Answer:
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