find the probability of having at least one of each sex if you have 3 children. (assume P(boy) = P (girl) = 0.5

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- is this not the correct answer To have at least one child of each sex, we need to subtract out from the 8 ways the genders can be the 2 that are single sex (i.e. all boys and all girls). So we get: P ( at least one of each gender ) = 1 − 1 4 = 3 4
- jeanbao
- Apr 04, 2018 at 1:21pm

- 1-1/4 = 3/4???
- jeanbao
- Apr 04, 2018 at 1:22pm