What percent of teenagers use their phone less than 5 hours

Reference no: EM133650966

Question: Smartphones come with an app that keens track of the amount of time that the phone is bins used for penasy and he distribution of amount of time they tse listenkone is approximatcly nomal with mean 4 = 7.75 hours per day and standard deviation o = 1.25 hours per day. (a) What percent of teenagers use their phone less than 5 hours per day?

Reference no: EM133650966

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What percent of teenagers use their phone less than 5 hours : standard deviation o = 1.25 hours per day. (a) What percent of teenagers use their phone less than 5 hours per day

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