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QUESTION

3 people are randomly selected and eye color was recorded. Assume each person's eye color is independent of the next and the P(Brown)=0.70,...

P (X=x)

0.64

0.32

0.04

a.      What is the expected number of people who pass the test?

b.      What is the probability that 1 person passes the exam?

c.      What is the probability that at least one person passes the exam?

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