the probability that a family has 4 children is 1 /10. two families are chosen at random, find the probability that, (a) neither family has 4 children,(b) only one family has 4 children.
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did you get it jajshd
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p= 1-1/10=9/10=0.9
p=2/10=0.2
p=2/10=0.2
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