A survey of couples in a certain country found that the probability that the husband has a college degree is .65 a) What is the probability that in a group of 9 couples, at least 6 husbands have a college degree b) If there are 24 couples, what is the expected number and standard deviations of husbands with college degree?

College Algebra
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Author:Ron Larson
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Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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A survey of couples in a certain country found that the probability that the husband has a college
degree is .65
a) What is the probability that in a group of 9 couples, at least 6 husbands have a college degree
b) If there are 24 couples, what is the expected number and standard deviations of husbands
with college degree?
Transcribed Image Text:A survey of couples in a certain country found that the probability that the husband has a college degree is .65 a) What is the probability that in a group of 9 couples, at least 6 husbands have a college degree b) If there are 24 couples, what is the expected number and standard deviations of husbands with college degree?
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