Question

e d of the computer sales in a country. Acampus bookstores bon types of computers and relat the year 0% of desktops que service, while or laptop have proberengservice comprese part Laptop computers have been growing in popularly according to a recent study. Laptops now represent more laptops and 41% des dos Rebity rates for the two types of machines are quite diferent, however s Sketch a probably tree for this Laptop Requires service Does not require service Desktop Hoges service Does not require service (Type vegers or decimals) b) What percentage of computers sold by the bookstore last semester required service? of the computers sold by the bookstore of them required service (Type an integer or a dema) c hven that computer segured service, what is the probably that was a laptop Given that the computer required service, the probe was app Round to four decimal places as needed)

Answer 1

Polution g) 10.59) Laptop foulc Repuide Sevice 0.841 Doesn't requise Service Toy1] Desktop 1 0.06 Requise Services L 0 .94 Doegole sequše Senrice. ! 6) PC require Stovice) - P (laptop) * PC service | Laptop) +P(desktop)x p(Beitrice | desktop) : 0:59 x 0.16 + 0.41 x0.06 ? 0.119 - 11.gy c) p Claptop I service): P(laptop) PC Services | Laptop) P (oequoed Service) 0.119 s 0.7933