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A couple intends to have four children

A couple intends to have four children. Assume that having a boy and girl is equally likely event.
a) List sample space
b) Find the probability that couple has two boys and two girls;
c) Find the probability that couple has at least one boy
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Answer #1
finish the chart

BBBB
BBBG
BBGB
BBGG
.....
GGGG --- you should have 16 of these

count the number of cases for each of your events,
then divide by 16 to the prob.
answered by: Lindsey
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