Jeans are a new fashion among adults. Below given data provide
the fraction of Indian
men of age 20 years or older having five or more wearable jeans
along with the fraction
of the Indian population of these age groups. Find the
unconditional probability of an
adult 20 years or older having five or more wearable jeans.
Groups & Ages
20-24 25-34 35-49 50-64 above 65
Fraction with 5 or more jeans .26 .20 .13 .18 .14
Fraction adults 20 or older .09 .20 .31 .23 .17
Homework Answers
To find the probability of an adult 20years or older having 5 or more wearable jeans is the total fraction with 5 or more wearable jeans.
.26+.20+.13+.18+.14=.91
Hence the the unconditional probability of an
adult 20 years or older having five or more wearable jeans is
0.91.
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