Math

Teesha is in the French club. There are 22 students in the club. The French teacher will pick two students at random to guide visiting students from France. What is the probability that Teesha will not be picked as a guide?

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  1. Well, what is the probability that she WILL be one of the two?
    1/22 + 1/21
    so
    1 - 1/22 - 1/21

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  2. Just realized what your teacher is getting at.
    This is an "either or" problem, add
    unlike the fish in the bowls where " this AND that" have to happen and you multiply

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