Question 1192107: After studying Mr.X's family history, a doctor determines that the probability of any 612) child born to this couple having a gene for disease X is 1 out of 4. If Mr.X has three children, what is the probability that exactly two of the children have the gene for disease X?
Answer by ikleyn(52903)   (Show Source):
You can put this solution on YOUR website! .
After studying Mr.X's family history, a doctor determines that the probability of any 612) child
born to this couple having a gene for disease X is 1 out of 4. If Mr.X has three children,
what is the probability that exactly two of the children have the gene for disease X?
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