Concept explainers
(a) What is meant by the conditional probability of E given F? How is this probability calculated?
(b) What are independent events?
(c) If E and F are independent events, what is the probability of E and F occurring? What if E and F are not independent?
(d) A jar contains 3 white and 7 black balls. Let E be the event “the first ball drawn is black” and let F be the event “the second ball drawn is black.”
(i) Find
(ii) Find
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