Mathematics, 24.04.2020 16:00 cassidy32504

A carpet company advertises that it will deliver your carpet in less than 15 days of purchase. A sample of 36 past customers is taken. The average delivery time in the sample was 13.2 days. An estimated sample standard deviation is known to be 4.9 day. Test if the advertisement is accurate. What are the hypotheses needed to answer this question? g

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A carpet company advertises that it will deliver your carpet in less than 15 days of purchase. A sam...

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