Suppose you cross 5 traffic lights on your way to university and the probability of each of them being red is 0.7. The lights are independent. Let X be the the number of red lights you encounter on your way to university, then the mean of X is A 3.5 B 0.7 C 1.05 D 1.5
Suppose you cross 5 traffic lights on your way to university and the probability of each of them being red is 0.7. The lights are independent. Let X be the the number of red lights you encounter on your way to university, then the mean of X is A 3.5 B 0.7 C 1.05 D 1.5
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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