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27 September, 07:08

The probability that Shelly will go to a movie (event

a. on Friday is 0.78, and the probability that Danielle will go to a movie (event

b. the same day is 0.63. The probability that Shelly will go to a movie, given that Danielle goes to a movie, is 0.87. Which statement is true?

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  1. 27 September, 07:24
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    P (A|B) says it's the probability of A given B has already occured. If they are independent, it shouldnt matter if B occured or not so if they were independent P (A|B) = P (A) but they dont, so dependent
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