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Author Question: A carpet company advertises that it will deliver your carpet within 15 days of purchase. A sample of ... (Read 216 times)

acwiles

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A carpet company advertises that it will deliver your carpet within 15 days of purchase. A sample of 49 past customers is taken. The average delivery time in the sample was 16.2 days. The standard deviation of the population (σ) is known to be 5.6 days.

a.State the null and alternative hypotheses.
b.Using the critical value approach, test to determine if their advertisement is legitimate. Let α = .05.
c.Using the p-value approach, test the hypotheses at the 5% level of significance.



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Marked as best answer by acwiles on Mar 25, 2023

ludadtpb

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acwiles

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Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)


bbburns21

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Reply 3 on: Yesterday
Wow, this really help

 

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