Find the probability that a random sample of 36 people

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A marketing ?rm is investigating the time that people living in a certain city are spending on internet games. It is found that the time is normally distributed with a mean of 3 hours/day and a standard deviation of 1.25 hours/day. Find the probability that a random sample of 36 people selected from the city will have their mean time spent on internet games more than 3.5 hours/day.

Reference no: EM132391575

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