QUESTION 7 On the average, a certain computer part lasts ten years. The length of time the computer part lasts is exponentially distributed. What is probability that the computer part lasts more than 15 years? 'a, 3 QUESTION 8 (Continued) What is probability that the computer part lasts less than 5 years? a. 1 l __ le 2 l0 b. 1 l __ _ 2 10 'c. l e 2 "d. l QUESTION 9 (Continued) Given that the computer part has lasted for 10 years, what is probability that it additionally lasts more than 20 years? a. le'2 \"b. le" QUESTION 10 (Continued) Given that the computer part has lasted for 13 years, what is probability that it additionally lasts less than 10 years? a. Ie'|