The route used by a certain motorist in commuting work contains two intersections with traffic signals. T probability that he must stop at the first signal is .4, t analogous probability for the second signal is .5, and t probability that he must stop at at least one of the tw
The route used by a certain motorist in commuting work contains two intersections with traffic signals. T probability that he must stop at the first signal is .4, t analogous probability for the second signal is .5, and t probability that he must stop at at least one of the tw
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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How can I answer this question 22 ?
Expert Solution
Step 1: Given Information :
Let A be the event that the person stops at first signal.
P(A)=0.4
Let B be the event that the person stops at second signal.
P(B)=0.5
And the probability that he must stop at at least one of the two signals is 0.7
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