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Author Question: There are 8,000 students at the University of Tennessee at Chattanooga. The average age of all the ... (Read 129 times)

olivia_rose

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on: Mar 25, 2023

Question 1

There are 500 employees in a firm, 45% are female. A sample of 60 employees is selected randomly.

a.Determine the standard error of the proportion.
b.What is the probability that the sample proportion (proportion of females) is between 0.40 and 0.55?



Question 2

There are 8,000 students at the University of Tennessee at Chattanooga. The average age of all the students is 24 years with a standard deviation of 9 years. A random sample of 36 students is selected.

a.Determine the standard error of the mean.
b.What is the probability that the sample mean will be larger than 19.5?
c.What is the probability that the sample mean will be between 25.5 and 27 years?

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

Sophia0717

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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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olivia_rose

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

AmberC1996

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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