Daily profits at a retail store have an average of $1000. If at least 88.9% of values

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Daily profits at a retail store have an average of $1000. If at least 88.9% of values are between $800 and $1200, what is the standard deviation of daily profits? (Please enter you answer with a single decimal digit using a dot, e.g. 43.7)

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Introduction to Probability

ISBN: 978-0716771098

1st edition

Authors: Mark Daniel Ward, Ellen Gundlach

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Question Posted: Apr 11, 2017 12:00 PM

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Daily profits at a retail store have an average of $1000. If at least 88.9% of values

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Let the daily profits be represented by the random variable X Then Assuming X to be normal...View the full answer

Introduction to Probability

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