The amount of daily time that teenagers spend on a brand A cell phone is normally distributed with a given mean mu is equal to 2 point 5 hr and standard deviation sigma is equal to 0 point 6 hr. What percentage of the teenagers spend more than 3 point 1 hr?

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Revolt · Accepted Answer

16 percent

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The amount of daily time that teenagers spend on a brand A cell phone is normally distributed with a given mean mu is equal to 2 point 5 hr and standard deviation sigma is equal to 0 point 6 hr. What percentage of the teenagers spend more than 3 point 1 hr?

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