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Mathematics 18 Online
OpenStudy (asadkarim7):

My neighbour's cat has two kittens , and she tells me that at least one of them is female. What is the probability that both are females ? My neighbour's cat has two kittens , and she tells me that at least one of them is female. What is the probability that both are females ? @Mathematics

OpenStudy (anonymous):

50%?

OpenStudy (anonymous):

60%

OpenStudy (anonymous):

Think about it logically. If two kittens are born in succession, there are four possible combinations or outcomes: male, male male, female female, female, female, male Meaning that there's a 1/4 chance that both are female.

OpenStudy (anonymous):

25%

OpenStudy (asadkarim7):

Sorry every 1 the answer is 1/3

OpenStudy (anonymous):

oh yes you can't take the possibility that both are male.

OpenStudy (anonymous):

33 1/3%

OpenStudy (asadkarim7):

ooh ok :)

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