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Individuals ages 15 to 19 spend 9 hour per day using a

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The Bureau of Labor Statistics' American Time Use Survey showed that the amount of time spent using a computer for leisure varied greatly by age. Individuals age 75 and over averaged .15 hour (9 minutes) per day using a computer for leisure. Individuals ages 15 to 19 spend .9 hour per day using a computer for leisure. If these times follow an exponential distribution, find the proportion of each group that spends:

a. Less than 9 minutes per day using a computer for leisure.

b. More than two hours.

Reference no: EM13608479

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