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Author Question: The life expectancy in the United States is 75 with a standard deviation of 7 years. A random sample ... (Read 147 times)

agstelzer01

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on: Mar 25, 2023

The life expectancy in the United States is 75 with a standard deviation of 7 years. A random sample of 49 individuals is selected.

a.What is the probability that the sample mean will be larger than 77 years?
b.What is the probability that the sample mean will be less than 72.7 years?
c.What is the probability that the sample mean will be between 73.5 and 76 years?
d.What is the probability that the sample mean will be between 72 and 74 years?
e.What is the probability that the sample mean will be larger than 73.46 years?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by agstelzer01 on Mar 25, 2023

xinyifff

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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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agstelzer01

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Reply 2 on: Mar 25, 2023
Gracias!

amandalm

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Reply 3 on: Yesterday
Wow, this really help

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