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A survey shows that in a certain village...

A survey shows that in a certain village 2 out of every 100 men and 1 out of every 100 women have strength ulcers. A person selected at random from the village is found to have stomach ulcer. Find the probability that the person is a male, given that the probability of selecting a male from the village is `0.55`.

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The correct Answer is:
`(22)/(31)`
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