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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?

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  • Science -

    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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