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Mathematics, 23.06.2019 14:30, anggar20
You have a normal distribution of hours per week that music students practice. the mean of the values is 8 and the standard deviation of the values is 4. according to the normal distribution, half of the music students practice between 5.3 to 10.7 hours each week. what percentage of the students study less than 5.3 hours each week? 12.5% 20% 25% 50%
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