The Bureau of Labor Statistics’ American Time Use Survey showed that the amount
ID: 3233568 • Letter: T
Question
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 0.35 hour (21 minutes) per day using a computer for leisure. Individuals ages 15 to 19 spend 1.2 hour per day using a computer for leisure. If these times follow an exponential distribution, find the proportion of each group that spends:
rev: 05_18_2015_QC_CS-14973
Less than 20 minutes per day using a computer for leisure. (Round your answers to 4 decimal places.)
Between 40 minutes and 120 minutes using a computer for leisure. (Round your answers to 4 decimal places.)
Find the 26th percentile. seventy four percent spend more than what amount of time? (Round your answers to 2 decimal places.)
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 0.35 hour (21 minutes) per day using a computer for leisure. Individuals ages 15 to 19 spend 1.2 hour per day using a computer for leisure. If these times follow an exponential distribution, find the proportion of each group that spends:
Explanation / Answer
POISSON 1.2 hr = 72 min a) 75 P(x120 ) = 0 c) P( 40 x 120) = P(x 120) - P( x 40) =1-0.999927=0.00007Related Questions
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