If 60% of the population of the US need to have their vision corrected, we say that the probability that an individual chosen at random from the population needs vision correction is P(C)=.60. a. Estimate the probability that an individual chosen at random does not need vision correction. b. If 3 people are chosen at random from the population, what is the probability that all 3 need correction? c. If 3 people are chosen at random from the population, what is the probability that the second person does not need correction but the first and third do? d. If 3 people are chosen at random from the population, what is the probability that 1 out of 3 needs correction?

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