Math Probability question?

Posted on 2015-01-06 06:33:00 in Math by ELAHI

Two opera singers, mario and clarissa both perform on the same night, in separate recitals. The independent probabilities that two newspapers X and Y publish reviews of their recitals are

Probability of review in paper X: Mario 1/2 and clarissa 2/3
Probability of review in paper Y: Mario 1/4 and clarissa 2/5

a) if clarissa buys both newspapers, find the probability that only one paper reviews her recital.
b) Mario buys one of the newspapers at random. What is the probability that it has reviewed "both" recitals

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