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OpenStudy (anonymous):
The average amount customers at a certain grocery store spend yearly is $865.98. Assume the variable is normally distributed. If the standard deviation is $93.27, find the probability that a randomly selected customer spends between $838.00 and $1029.20.
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OpenStudy (anonymous):
this question doesn't make to much sense for me so I don't have much clue on how to solve it
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