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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 221 times)

acwiles

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on: Mar 25, 2023

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.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by acwiles on Mar 25, 2023

ludadtpb

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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acwiles

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

isabelt_18

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Reply 3 on: Yesterday
Excellent

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