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The daily sales at a convenience store produce a distribution that is approximately normal with a mean of1220and a standard deviation of125. The probability that
The daily sales at a convenience store produce a distribution that is approximately normal with a mean of1220and a standard deviation of125.
The probability that the sales on a given day at this store are more than
$1,405, rounded to four decimal places, is:
.
The probability that the sales on a given day at this store are less than
$1,305, rounded to four decimal places, is:
.
The probability that the sales on a given day at this store are between
$1,200 and
$1,300, rounded to four decimal places, is:
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