<PRE><B>Question 549733</B>
the probability that a person person visiting his dentist will have an X-ray is 0.6
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the probability that a person who has an X-ray will also have a cavity filled is 0.3
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and the probability that a person who has had an X-ray and cavity filled will also have a tooth extracted is 0.1
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what is the probability that a person visiting his dentist will have an X-ray a cavity filled and a tooth extracted
Ans: 0.6*0.3*0.1 = 0.018
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Chers,
Stan H.
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