If a couple plans to have five children, what is the probability that they will have at least one girl? Find the probability of a couple having a baby boy when their fifth child is born, given that the first four children are girls.
Added by Christopher H.
Step 1
To find the probability of having at least one girl, we can find the probability of having all boys and subtract it from 1. The probability of having all boys is (1/2)^5 = 1/32. So, the probability of having at least one girl is 1 - 1/32 = 31/32. Show more…
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