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Posted by on Saturday, January 9, 2010 at 7:10pm.

A parent's chance of passing a rare inherited disease on to a child is 0.15. What is the probability that, in a family of three children, none of the children inherits the disease from the parent?

How does that work?

  • Science - , Saturday, January 9, 2010 at 10:55pm

    The chance of a child NOT having the inhertited disease is 0.85. For none of the three children to get it, the probability is 0.85^3 = 0.614

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