please help and make sure all the answers and work is right

Algebra
Tutor: None Selected Time limit: 1 Day

Mar 19th, 2015

Percentage that have at least 1 child is 100 - 40 = 60

Percentage that have at least 2 children is 18+10+5+2 = 35

Probability(having at least 2 children I having 1 child) = 35/60 = 7 / 12

Mar 19th, 2015

thats wrong try 25 and 18

Mar 19th, 2015

Oh, sorry.  It said probability of MORE than two children given at least 1 child

That was confusing because it was written as P(having at least 2 children....

So, then it would be 17 / 60

Mar 19th, 2015

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Mar 19th, 2015
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