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Mathematics 7 Online
OpenStudy (anonymous):

The average summer temperature in Anchorage is 69°F. If the daily temperature is normally distributed with a standard deviation of 7°F, what percentage of the time would the temperature be between 55°F and 76°F? 34.0% 47.5% 68.0% 81.5% 99.7%

OpenStudy (amistre64):

how many standard deviations are the extremes from the mean?

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