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Mathematics, 26.07.2019 05:30 jaydenrenee111902

The time spent (in minutes) in reading newspaper for an adult per day can be approximated by a normal distribution with \mu μ =15 minutes and \sigma σ =3 minutes. if 200 adults are randomly selected, approximately how many of them will spend in reading newspaper per day between 12 minutes and 19.5 minutes

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