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3 Let X m Expi') with :9 = 1/9. Supposing 60 samples are made. use the normal approximation to a binomial distribution to estimate the

3 Let X m Expi') with :9 = 1/9. Supposing 60 samples are made. use the normal approximation to a binomial distribution to estimate the probability that at least 42 of them are at most. 12

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