Every laptop returned to a repair center is classified according to its needed repairs: (1) LCD screen, (2) motherboard,
Posted: Wed Jul 06, 2022 12:27 pm
- Every Laptop Returned To A Repair Center Is Classified According To Its Needed Repairs 1 Lcd Screen 2 Motherboard 1 (25.17 KiB) Viewed 15 times
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.