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Author Question: Exhibit 9-4The manager of a grocery store has taken a random sample of 100 customers. The average ... (Read 172 times)

ninaj

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on: Mar 25, 2023

Question 1

Exhibit 9-3

n = 49 = 54.8s = 28H0: μ 50
   Ha: μ> 50

Refer to Exhibit 9-3. The p-value is between


◦

0.01 to 0.025


◦

0.025 to 0.05


◦

.05 to 0.1


◦

0.1 to 0.2



Question 2

Exhibit 9-4
The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took the customers in the sample to check out was 3.1 minutes with a standard deviation of 0.5 minutes. We want to test to determine whether or not the mean waiting time of all customers is significantly more than 3 minutes.


Refer to Exhibit 9-4. The test statistic is


◦

1.96


◦

1.64


◦

2.00


◦

0.056

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

marufp

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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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ninaj

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

ryansturges

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Reply 3 on: Yesterday
Excellent

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