Every Laptop Returned To A Repair Center Is Classified According To Its Needed Repairs 1 Lcd Screen 2 Motherboard 1 (25.17 KiB) Viewed 14 times
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Every laptop returned to a repair center is classified according to its needed repairs: (1) LCD screen, (2) motherboard, (3) keyboard, or (4) other. A random broken laptop needs a type i repair with probability p₁ = 24-1/15. Let N, equal the number of type i broken laptops returned on a day in which four laptops are returned. a) Find the joint PMF PN₁ N2 N3, N4 (11, 12, N3, N₁). b) What is the probability that two laptops required LCD repairs.
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