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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?
