Mathematics, 26.11.2021 22:00 ewitskarleigh814

The amount of daily time that teenagers spend on a brand A cell phone is normally distributed with a given mean Mu = 2. 5 hr and standard deviation Sigma = 0. 6 hr. What percentage of the teenagers spend more than 3. 1 hr? 5% 10% 16% 32%.

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The amount of daily time that teenagers spend on a brand A cell phone is normally distributed with a...