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Willy Wonka's competitor claims that the average weight of a Wonka Bar is no more than 70 grams. To test this claim a sample of
Willy Wonka's competitor claims that the average weight of a Wonka Bar is no more than 70 grams. To test this claim a sample of 80 Wonka Bars is randomly selected, with an average weight of 70.4 grams and a standard deviation of 1.4grams. Using alpha =0.03, answer the following questions related to conducting a test of the claim. \begin{tabular}{lc} HO: mu & 70 grams (enter correct sign(s)) \\ H1: mu & 70 grams (enter correct sign(s)) \\ The claim is & (enter either H1 or HO ) \end{tabular} The critical value on the left, if there is one = (round to 2 decimals-if none, enter "na") The critical value on the right, if there is one = (round to 2 decimals-if none, enter "na") The test statistic = (round to 2 decimals) The result of the hypothesis test of HO is (see instructions - "reject HO" or "fail to reject HO ) Is the claim supported? (enter yes or no)
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