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(1) The ratio of sex between men and women is known to be 1:1. What is the probability that a family with six children now

(1) The ratio of sex between men and women is known to be 1:1. What is the probability that a family with six children now has three sons and three daughters?


(2) Calculate probability for x̄=5 by formula in a binary distribution with n = 10, p = 0.5. Compare this with the probability of normal approximation.

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