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A purveyor of designer maternity wear sells dresses and pants priced around $250 each for an average total sale of $1,000.  The total sales has a normal distribution with a standard deviation of $400Compute the probability that the total sale will be within +-2.5 standard deviations of the mean total sales.

Question

A purveyor of designer maternity wear sells dresses and pants priced around $250 each for an average total sale of $1,000.  The total sales has a normal distribution with a standard deviation of $400

Compute the probability that the total sale will be within +-2.5 standard deviations of the mean total sales. 

check_circleAnswer
Step 1

Given Data

Mean = 1000

Standard deviation = 400

Sales is following normal distribution

Finding the probab...

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