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09-10-2016
Mathematics

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a clinical cohort consists of seven sets of boy/girl twins (i.e. each twin pair has a brother and a sister). Five of the fourteen subjects are randomly selected
a) what is the probability that the selected group is niether all male nor all female?
b) what is the probability that the selected group contains no siblings?

Respuesta :

09-10-2016

b) popik nitik a) hik oplt kiop

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