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Author Question: A professor at a local university noted that the grades of her students were normally distributed ... (Read 105 times)

amymoore

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on: Mar 25, 2023

A professor at a local university noted that the grades of her students were normally distributed with a mean of 78 and a standard deviation of 10.

a.The professor has informed us that 16.6 percent of her students received grades of A. What is the minimum score needed to receive a grade of A?
b.If 12.1 percent of her students failed the course and received F's, what was the maximum score among those who received an F?
c.If 33 percent of the students received grades of B or better (i.e., A's and B's), what is the minimum score of those who received a B?

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

Nutellas_Good

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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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amymoore

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Reply 2 on: Mar 25, 2023
Gracias!

epscape

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

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