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18 May, 17:46

After having a sonogram a pregnant woman learns that she will have twins, find the probability of identical twins given that the twins consist of two boys

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  1. 18 May, 17:55
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    What you need to do is the following:

    Calculate the total number of identical twins which will be 2+2 = 4. and then total of twins is 12. The probability for her to have identical twins will be known with the following formula:

    Identical twins = 4 / 12

    that is 0.3333

    The probability is 0.3333
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