The readership of a certain magazine has the following characteristics

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The readership of a certain magazine has the following characteristics : 30% are younger than 26, 20% are older than 45, 55% are males, 12% are males younger than 26, and 23% are females between the ages of 26 and 45. suppose that a person is randomly selected from this population.
(a) what is the probability that this person is a female over 45?
(b) what is the probability that this person is neither male nor younger than 26?
(c) what is the probability that this person is either female or at least 26 ?

 

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