A sample of 153 people were asked a survey question Of the 9

A sample of 153 people were asked a survey question. Of the 93 people who answered \"yes\" to the question, 14 were male. Of the 60 people who answered \"no\" to the question, 12 were male. If one person is selected at random from the group, what is the probability that the person answered \"yes\" or was male? (answer in 3 place decimal form)

Solution

A- person was male

B - person answered yes

P(AB) =  = 0.1505= 0.151

P(A) = =0.1699

P(B) = =0.6078

Requiired prob = P(AUB) = P(A)+P(B)-P(AB) = = 0.6863

A sample of 153 people were asked a survey question. Of the 93 people who answered \

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