Mathematics, 18.03.2021 01:30, kactus
A physics teacher has determined that his students study an average of 56.4 hours a month with a
standard deviation of 8.3 hours. Assume that these times are normally distributed.
1. What is the probability that 7 randomly selected students have a mean monthly study
time greater than 60 hours?
2. What is the probability that a randomly selected student studies fewer than 46 hours
monthly?
Answers: 1
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A physics teacher has determined that his students study an average of 56.4 hours a month with a
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