Mathematics, 06.12.2020 08:40 WritingStar1313

Assume the hold time of callers to tech support is normally distributed with a mean of 3.0 minutes and a standard deviation of 0.8 minutes. In a random sample of 500 callers, how many are on hold for at least 4 minutes?

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Assume the hold time of callers to tech support is normally distributed with a mean of 3.0 minutes a...