A research company claims that it has developed a technique for ensuring that a baby will be a girl.?
March 72010
A research company claims that it has developed a technique for ensuring that a baby will be a girl. In a test of that technique, 12 couples all have baby girls. Find the probability of getting 12 baby girls by chance, assuming that boys and girls are equally likely and the gender is independent of others?
1/ 2^12
which is about 0.0000244140625
So 0.002 % chance
March 7th, 2010 at 11:56 pm
1/ 2^12
which is about 0.0000244140625
So 0.002 % chance
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