Question: 1. Let E and F be events with Pr (E) = .4, Pr(F) = .3, and Pr(E F) = .5. Find Pr(E | F).

1. Let E and F be events with Pr (E) = .4, Pr(F) = .3, and Pr(E ∪ F) = .5. Find Pr(E | F).
2. Let E and F be events with Pr (E ∩ F) = 1/10 and Pr (E | F) = 1/17 Find Pr (F).

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