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Probability of People being Married

50 people at a party, 10 are married, --if two are chosen at random --what is the probability both are married.

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Solution. We can think about this problem in the following way. As two are chosen at random from 50 people, there are C(50, 2)=50*49/2!=2450/2=1225 possible ways to select these two ...

Solution Summary

The probability of people being married at a party is determined.