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MBA, PHD
Phoniex
Jul-2007 - Jun-2012
Corportae Manager
ChevronTexaco Corporation
Feb-2009 - Nov-2016
Question description
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The daily sales at a convenience store produce a distribution that is approximately normal with a mean of 1270 and a standard deviation of 115.
In your intermediate calculations, round z-values to two decimal places.
The probability that the sales on a given day at this store are more than $1405, rounded to four decimal places is:
The probability that the sales on a given day at this store are less than $1305, rounded to four decimal places is:
The probability that the sales on a given day at this store are between $1200 and $1300, rounded to four decimal places is:
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