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Author Question: The average life expectancy of computers produced by Ahmadi, Inc. is 6 years with a standard ... (Read 108 times)

rubiosusy7

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on: Mar 25, 2023

The average life expectancy of computers produced by Ahmadi, Inc. is 6 years with a standard deviation of 10 months.  Assume that the lives of computers are normally distributed.  Suggestion:  For this problem, convert ALL of the units to months.


a.What is the probability that a randomly selected computer will have a life expectancy of at least 7 years?
b.Computers that fail in less than 5 years will be replaced free of charge.  What percentage of computers are expected to be replaced free of charge?
c.What are the minimum and the maximum life expectancy of the middle 95% of the computers’ lives?  Give your answers in months and do not round your answers.
d.The company is expecting that only 104 of this year’s production will fail in less than 3 years and 8 months.  How many computers were produced this year?

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by rubiosusy7 on Mar 25, 2023

KAyteeBee1129

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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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rubiosusy7

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

tranoy

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Reply 3 on: Yesterday
Excellent

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