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Suppose that a STA 261 instructor has two children.If the instructor tells you that at least one of his children is male, what is the

  1. Suppose that a STA 261 instructor has two children.If the instructor tells you that at least one of his children is male, what is the probability that both children are male?You may assume that male and female children are equally likely, and that the sexes of each child are independent.

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