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The distribution of amount of time (minutes) playing mobile games per day can be modelled using a Normal distribution with a mean of 54 minutes

The distribution of amount of time (minutes) playing mobile games per day can be modelled using a Normal distribution with a mean of 54 minutes and a standard deviation of 15.8 minutes.

What is the probability that a randomly chosen person will spend between 30 and 50 minutes playing mobile games daily? Answer as a probability (between 0 and 1) to four decimal places.

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