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Individuals age 75 and over averaged .15 hour (9 minutes) per day using a computer for leisure.? If these times follow an exponential distribution, find the proportion of each group that spends: Less...

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Individuals age 75 and over averaged .15 hour (9 minutes) per day using a computer for leisure.? If these times follow an exponential distribution, find the proportion of each group that spends: Less than 8 minutes per day using a computer for leisure. (Round your answers to 4 decimal places) More than two hours. (Round your answers to 4 decimal places.) Between 16 minutes and 48 minutes using a computer for leisure. (Round your answers to 4 decimal places.) Find the 30th percentile. Seventy percent spend more than what amount of time? (Round your answers to 2 decimal places.) Amount of time for individuals age 75 and over: Amount of time for individuals ages 15 to 19:
Answered Same Day Dec 20, 2021

Solution

David answered on Dec 20 2021
123 Votes
On the basis of above formulas we can calculate all the requirements
The percentage of less than 8 minutes users is 0.0120 percent
More than two hours is 4.5613 percent
Between 16 minutes to 48 minutes 16.3452 percent
30
th
percentile is 2/15 of the whole population .
Seventy...
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