An individual who has automobile insurance from a certain company is
randomly selected. Let Y be the number of moving violations for which the
individual was cited during the last 3 years. The pmf of Y is
y 0 1. 2. 3
p(y) .60 .25 .10 .05
What is the probability that among 15 randomly chosen such individuals
a. At least 10 have no citations?
b. Fewer than half have at least one citation?
c. The number that have at least one citation is between 5 and 10, inclusive?
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