A particular traffic light at the outskirts of a town is red for 30 seconds, green for 25 seconds and yellow for seconds every minute. The probability that the traffic light will NOT be green when a motorist first sees it is 12 12

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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A particular traffic light at the outskirts of a town is red for 30 seconds, green for 25 seconds and yellow for 5
seconds every minute.
The probability that the traffic light will NOT be green when a motorist first sees it is
12
12
1/2
Transcribed Image Text:A particular traffic light at the outskirts of a town is red for 30 seconds, green for 25 seconds and yellow for 5 seconds every minute. The probability that the traffic light will NOT be green when a motorist first sees it is 12 12 1/2
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