SOLUTION: Suppose that a certain population 7% of people are color blind. A researcher selects people at random from this population. Whats the probability that the first color blind person

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Question 864299: Suppose that a certain population 7% of people are color blind. A researcher selects people at random from this population. Whats the probability that the first color blind person will be found among the first 6 people checked.
Answer by stanbon(75887) About Me  (Show Source):
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Suppose that a certain population 7% of people are color blind. A researcher selects people at random from this population. Whats the probability that the first color blind person will be found among the first 6 people checked.
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Binomial Problem with n = 6 and p(cb) = 0.07
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P(at least one in 6) = 1 - P(none are bc) = 1 - (0.93)^6 = 0.3530
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Cheers,
Stan H.
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