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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?

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?

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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?
Transcribed Image Text: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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