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OpenStudy (zned6559):
For families with 4 kids, what is the expected frequency of sibships with all boys? The answer is 1/16 but why?
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OpenStudy (ssddss02):
Well I guess it's saying the frequency and consecutivity.
OpenStudy (zned6559):
Can you show the work
OpenStudy (mrnood):
if I can simplify: Gender of a child is like tossing a coin - we assume there is 50% chance of boy or girl SO Having 4 boys out of 4 is the same chance as tossing 4 heads in 4 throws
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