英文数学概率问题
Inacertainregionofthecountryitisknownfrompastexperiencethattheprobabilityofselectinga...
In a certain region of the country it is known from past experience that the probability
of selecting an adult over 40 years of age with cancer is 0.05. If the probability of a
doctor correctly diagnosing a person with cancer as having the disease is 0.78 and the
probability of incorrectly diagnosing a person without cancer as having the disease is
0.06, what is the probability that a person is diagnosed as having cancer? 求解答过程 展开
of selecting an adult over 40 years of age with cancer is 0.05. If the probability of a
doctor correctly diagnosing a person with cancer as having the disease is 0.78 and the
probability of incorrectly diagnosing a person without cancer as having the disease is
0.06, what is the probability that a person is diagnosed as having cancer? 求解答过程 展开
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悬赏太少，没人来的
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