The following table lists the history of 940 orders for features in an entry-level computer product.
Extra memory
No Yes
Optional high- no 514 68
Speed processor yes 112 246
Let A be the event that an order requests the optional high speed processor, and let B be the event that an order requests extra memory. Determine the following probabilities:
(a) P (A U B)
(b) P (A ∩ B)
(c) P (A’ U B)
(d) P (A’ ∩ B’)
(e) What is the probability that an order requests an optional high-speed processor given that the order requests extra memory?
(f) What is the probability that an order requests extra memory given that the order requests an optional high-speed processor?
Solution:
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