Because the P-value is = 0.01, we H0. We convincing evidence to conclude that the true mean weight of all 5-pound sacks of potatoes is 5 pounds.

A P-value of 0.01 means the observed result would be unlikely if the null hypothesis were true. At the usual 0.05 significance level, 0.01 is smaller than 0.05, so we reject H₀; choice A is “reject.” Note that if H₀ says the true mean is 5 pounds, rejecting it supports a conclusion that the mean differs from 5 pounds, not that it is 5 pounds.

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