A company that makes spirits states that the mean alcohol content per one-liter bottle of its vodka is 500 ml. You belie

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A company that makes spirits states that the mean alcohol
content per one-liter bottle of its vodka is 500 ml. You believe
that they are incorrect and decide to test their claim. During your
tests, you find that a random sample of 33 one-liter bottles of
vodka has a mean alcohol content of 478 ml with a standard
deviation of 87.68 ml. Based on this information, you decide
to

A. Normality not established; do not
test
B. Fail to reject the null at the 0.05 level
of significance
C. Reject the null at the 0.05 level of
significance
D. Reject the null at the 0.01 level of
significance