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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 111.
The daily sales at a convenience store produce a distribution that is approximately normal with a mean of 1270 and a standard deviation of 111.
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: