Abrar Alabdulwahed 22315 922 PM Homework HW 53 HW Score 4767

Abrar Alabdulwahed 2/23/15 9:22 PM Homework: HW 5.3 HW Score: 47.67%, 7.15 of 15 pts 10 of 15 (14 complete) v Score: 0.25 of 1 pt Question Help 5.3.19 A computer can be classified as either cutting-edge or ancient 85% of computers are classified as ancient. (a) Two oomputers Bre chosen at random What is the Probabity that both computers Bre ancient? (b) Five computers are chosen at random. What is the probability that al sve computers are ancient? (c) What is the probability that at least one of five randomly selected computers is cutting-edge? Would it be unusual that at lesst one of five randomly selected computers is cutting-edge? (a) The probability is 0.7225. (Round to four decimal places as needed.) (b) The probability is 04437 (Round to four decimal places as needed.) (c) The probability is 0.6563 (Round to four decimal pleoes as needed) It would not be unusual that at least one of five randomly selected computers is cutting-edge. Question is complete Move your pointer over or tap on the red indicators to see incomect answers, parts showing Similar Exercis

Solution

Prob for both ancient =0.85(0.85) = 0.7225

(as both are independent we multiply the prob to get the answer)