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How many possible outcomes of boy-girl sequence

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In a family with four children, it's either a boy or a girl, just like when tossing a coin, either heads or tails. Let be the random variable denoting girls. Find the following:

  • How many possible outcomes of boy-girl sequence are there or what is ( )?
  • What is the probability that there are at least 3 girls or what is (≥ 3)?
  • What is the probability that all four children will be girls or what is (=)?
  • What is the probability that there is at most one girl or what is (≤ 1)?

Reference no: EM132851044

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