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Author Question: The average weekly earnings of bus drivers in a city are $950 (that is ) with a standard deviation ... (Read 177 times)

aeb093

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on: Mar 25, 2023

The average weekly earnings of bus drivers in a city are $950 (that is μ) with a standard deviation of $45 (that is σ). Assume that we select a random sample of 81 bus drivers.

a.Compute the standard error of the mean.
b.What is the probability that the sample mean will be greater than $960?
c.If the population of bus drivers consisted of 400 drivers, what would be the standard error of the mean?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by aeb093 on Mar 25, 2023

Rcfelber

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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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aeb093

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

diana chang

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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