pmf of Y is given. 0 1 y 2 3 p(y) 0.50 0.35 0.10 0.05 USE SALT randomly selected. Let Y be the number of moving violations for which the individual was cited during the last 3 years. The (a) What is the probability that among 25 randomly chosen such individuals, at least 15 have no citations? (Round your answer to three decimal places.) (b) What the probability that among 25 randomly chosen such individuals, fewer than half have at least one citation? (Round your answer to three decimal places.) (c) What is the probability that among 25 randomly chosen such individuals, the number that have at least one citation equivalent to (a ≤ x ≤ b). Round your answer to three decimal places.) need to use the appropriate table in the Appendix of Tables to answer this question. between 10 and 15, inclusive? ("Between a and b, inclusive" is

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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 given.
y
p(y)
0 1
0.50 0.35 0.10 0.05
USE SALT
3
(a) What is the probability that among 25 randomly chosen such individuals, at least 15 have no citations? (Round your answer to three decimal places.)
(b) What is the probability that among 25 randomly chosen such individuals, fewer than half have at least one citation? (Round your answer to three decimal places.)
What is the probability that among 25 randomly chosen such individuals, the number that have at least one citation is between 10 and 15, inclusive? ("Between a and b, inclusive" is
equivalent to (a ≤ x ≤ b). Round your answer to three decimal places.)
You may need to use the appropriate table in the Appendix of Tables to answer this question.
Transcribed Image Text: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 given. y p(y) 0 1 0.50 0.35 0.10 0.05 USE SALT 3 (a) What is the probability that among 25 randomly chosen such individuals, at least 15 have no citations? (Round your answer to three decimal places.) (b) What is the probability that among 25 randomly chosen such individuals, fewer than half have at least one citation? (Round your answer to three decimal places.) What is the probability that among 25 randomly chosen such individuals, the number that have at least one citation is between 10 and 15, inclusive? ("Between a and b, inclusive" is equivalent to (a ≤ x ≤ b). Round your answer to three decimal places.) You may need to use the appropriate table in the Appendix of Tables to answer this question.
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