Mathematics, 17.04.2020 21:10 dbenjamintheflash5
According to the Department of Education, college students spend an average of 150 minutes per day on their phones with a standard deviation of 75 minutes. Suppose a random sample of 36 college students is taken and the mean time is spent on phones is recorded.
(a) What is the probability that sample mean is less than 140 minutes per day?
Answers: 1
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According to the Department of Education, college students spend an average of 150 minutes per day o...
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