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rior to a new drive through system the mean wait time at a certain fast...

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rior to a new drive through system the mean wait time at a certain fast food restaurant was 99 seconds Ise the data in the table below to decide whether the evidence suggests the mean wait time is different han 99 seconds with their new system Assume wait times are normally distributed and use an a 0 05 ignificance level Use the p value approach 69 9 65 74 81 3 a For this study we should use Select an answer b The null and alternative hypotheses would be Ho Select an answer H Select an answer 84 8 93 6 86 84 8 107 6 97 5

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