b. Among 10 randomly selected York students, what is the probability that more than 9 of them spend less than 90 minutes per day to commute to campus? c. Among 10 randomly selected York students, what is the probability that at most one of them spend at least 30 minutes but less than 90 minutes to commute to campus?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
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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York paper reported that 37% of York students spend less than 30 minutes to commute to York campus and 26% of York students spend at least 90 minutes each day to commute to campus.
a. Among 10 randomly selected York students, what is the probability that at most 9 of them spend at least 90 minutes per day to commute to campus?

b. Among 10 randomly selected York students, what is the probability that more than 9 of them spend less than 90 minutes per day to commute to campus?
c. Among 10 randomly selected York students, what is the probability that at most one of them spend at least 30 minutes but less than 90 minutes to commute to campus?

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