what is the conditional probability
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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Transcribed Image Text:Canadian Tire sells 3 different types of disposable flashlight. The probability that a
type 1 flashlight will give over 100 hours of use is 0.7, and the corresponding
probabilities for type 2 and type 3 flashlights are 0.4 and 0.3, respectively. Suppose
that 20% of the disposable flashlights sold by Canadian Tire are type 1, 30% are type
2 and 50% are type 3. I bought a disposable flashlight from Canadian Tire today. If
my flashlight gives more than 100 hours of use, what is the conditional probability
that it is a type 2?
0.3659
0.2927
0.4100
0.5716
0.3415
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