SOLUTION: if the probability of a child being a girl is 1/2, and a family plans to have 4 children, what are the odds aganist having all girls?
The odds are__to__
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Question 448030: if the probability of a child being a girl is 1/2, and a family plans to have 4 children, what are the odds aganist having all girls?
The odds are__to__
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
There are 16 ways to have 4 kids (since ), but there is only one way to have all 4 girls. So the odds against having all 4 girls are 15 to 1.
Note: there are 15 ways to get child combos that are not all 4 girls (since 16-1 = 15).
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