8. Øyvindå has decided that there are too many red roses in her garden, and decides to remove 5 of the 25 red roses. In how many ways can she choose the five roses? (a) 255 (b) 525 (c) C(20,5) (d) P(20,5) (e) C(25,5) (f) none of the above 9. The Lemon brand cars have a transmission which fails with probability .6, and brakes which fail with probability .3; the two kinds of failures occur inde- pendently. What is the probability that exactly one of the failures occurs when you drive a Lemon?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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8. Øyvîndå has decided that there are too many red
roses in her garden, and decides to remove 5 of the
25 red roses. In how many ways can she choose the
five roses?
(a) 255
(b) 525
(c) C(20,5)
(d) P(20,5)
(e) C(25,5)
(f) none of the above
9. The Lemon brand cars have a transmission which
fails with probability .6, and brakes which fail with
probability .3; the two kinds of failures occur inde-
pendently. What is the probability that exactly one
of the failures occurs when you drive a Lemon?
(a) .72
(b) .28
(c) .46
(d) .54
(e) .9
(f) none of the above
Transcribed Image Text:8. Øyvîndå has decided that there are too many red roses in her garden, and decides to remove 5 of the 25 red roses. In how many ways can she choose the five roses? (a) 255 (b) 525 (c) C(20,5) (d) P(20,5) (e) C(25,5) (f) none of the above 9. The Lemon brand cars have a transmission which fails with probability .6, and brakes which fail with probability .3; the two kinds of failures occur inde- pendently. What is the probability that exactly one of the failures occurs when you drive a Lemon? (a) .72 (b) .28 (c) .46 (d) .54 (e) .9 (f) none of the above
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