Probability

The Jones family has eight children, all of which are girls. What is the chance that the next child will be a boy? What is the probability that all of their nine children would have been boys? Explain how you determine your answers.

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  1. the probability that the next child will be a boy = 1/2
    doesn't matter what happened before

    but the prob that you have 9 consecutive boys
    = (1/2)(1/2)...(1/2) nine times or (1/2)^9

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    Reiny
  2. Ohhhh I just over thought this way too much.. thank you!!

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