Mathematics, 13.08.2020 21:01 Lovely3719
For this year's fundraiser, students at a certain school who sell at least 75 magazine subscriptions win a prize. If the fourth grade students at this school sell an average (arithmetic mean) of 47 subscriptions per student, the sales are normally distributed, and have a standard deviation of 14, then approximately what percent of the fourth grade students receive a prize
Answers: 3
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For this year's fundraiser, students at a certain school who sell at least 75 magazine subscriptions...
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