. A nationwide survey of college seniors by the University of Michigan revealed that almost 70% disapprove of daily pot smoking, according to a report in Parade. If 12 seniors are selected at random and asked their opinion a. find the probability that the number who disapprove of smoking pot is daily anywhere 7 to 9 b. find the probability that the number who disapprove of smoking pot daily is at most 5 c. find the probability that the number who disapprove of smoking pot daily is not less than 8

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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10. A nationwide survey of college seniors by the University of Michigan revealed that almost 70% disapprove of daily pot smoking, according to a report in Parade. If 12 seniors are selected at random and asked their opinion

a. find the probability that the number who disapprove of smoking pot is daily anywhere 7 to 9

b. find the probability that the number who disapprove of smoking pot daily is at most 5

c. find the probability that the number who disapprove of smoking pot daily is not less than 8

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