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Author Question: In a statistics class, the average grade on the final examination was 75 with a standard deviation ... (Read 81 times)

M1ch3a

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on: Mar 25, 2023

In a statistics class, the average grade on the final examination was 75 with a standard deviation of 5.  Use Chebyshev’s theorem to answer the following questions.


a.At least what percentage of the students received grades between 50 and 100?

b.

Determine an interval for the grades that will be true for at least 70% of the students.  (Hint:  First, compute the Z-score.)


Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by M1ch3a on Mar 25, 2023

Afvelasquez

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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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M1ch3a

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Reply 2 on: Mar 25, 2023
Wow, this really help

AngeliqueG

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Reply 3 on: Yesterday
Gracias!

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