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For the members of a book group, the probability of randomly selecting a member who likes to read historical fiction is 47%, the probability of randomly selecting a member who likes to read autobiographies is 42%, and the probability of randomly selecting a member who likes to read both historical fiction and autobiographies is 14%. What is the probability of randomly selecting a member who likes to read historical fiction or autobiographies?

 

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 Dec 18, 2018
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P[AB]=P[A]+P[B]P[AB]A={those who like to read historical fiction}B={those who like to read autobiographies}P[AB]=0.47+0.420.14=0.75

 

Put the 0.75 in the box... (or it gets the hose)

 Dec 18, 2018

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