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Author Question: For the interval estimation of when is known and the sample is large, the proper distribution to use is (Read 78 times)

Apple716

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on: Mar 25, 2023

Question 1

Exhibit 8-6
A sample of 75 information system managers had an average hourly income of $40.75 with a standard deviation of $7.00.


Refer to Exhibit 8-6.  The 95% confidence interval for the average hourly wage of all information system managers is


◦

40.75 to 42.36


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39.14 to 40.75


◦

39.14 to 42.36


◦

30 to 50



Question 2

For the interval estimation of μ when σ is known and the sample is large, the proper distribution to use is


◦

the normal distribution


◦

the t distribution with n degrees of freedom


◦

the t distribution with n + 1 degrees of freedom


◦

the t distribution with n + 2 degrees of freedom

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by Apple716 on Mar 25, 2023

char00char

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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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Apple716

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

laurnthompson

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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