2. Suppose the weekly amount spent on computer repairs is normally distributed with a mean of $500 and a standard deviation of $30. (a) Find the probability that less than $450 is spent on repairs during any given week. (b) How much should be budgeted weekly for repairs to ensure that the amount spent exceeds the budgeted amount with probability 0.05?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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2. Suppose the weekly amount spent on computer repairs is normally distributed
with a mean of $500 and a standard deviation of $30.
(a) Find the probability that less than $450 is spent on repairs during any given week.
(b) How much should be budgeted weekly for repairs to ensure that the amount spent exceeds
the budgeted amount with probability 0.05?
Transcribed Image Text:2. Suppose the weekly amount spent on computer repairs is normally distributed with a mean of $500 and a standard deviation of $30. (a) Find the probability that less than $450 is spent on repairs during any given week. (b) How much should be budgeted weekly for repairs to ensure that the amount spent exceeds the budgeted amount with probability 0.05?
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