Normal probability calculation
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The average amount customers at a certain grocery store spend yearly is $636.55. Assume the variable is normally distributed. If the standard deviation is $89.46, find the probability that a randomly selected customer spends between $550.67 and $836.94.
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Solution Summary
The solution provides step by step method for the calculation of normal probability based on Z score . Formula for the calculation and Interpretations of the results are also included.
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Average Amount
The average amount customers at a certain grocery store spend yearly is $636.55. Assume the variable is normally distributed. If the ...
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