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1. Red Lights A commuter must pass through five traffic lights on his way to work and will have to stop at each one that is red. He estimates the probability model for the number of red lights she hits, as follows: P(0) = 0.05, P(1) = 0.25, P(2) = 0.35, P(3) = 0.15, P(4) = 0.15, and P(5) = 0.05. a. How many red lights should she expect to hit each day? b. What is the standard deviation? %3D %3!

1. Red Lights A commuter must pass through five traffic lights on his way to work and will have to stop at each one that is red. He estimates the probability model for the number of red lights she hits, as follows: P(0) = 0.05, P(1) = 0.25, P(2) = 0.35, P(3) = 0.15, P(4) = 0.15, and P(5) = 0.05. a. How many red lights should she expect to hit each day? b. What is the standard deviation? %3D %3!

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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1. Red Lights A commuter must pass through five traffic lights on his way to work and will have to stop at each one that is red. He estimates the probability model for the number of red lights she hits, as follows: P(0) = 0.05, P(1) = 0.25, P(2) = 0.35, P(3) = 0.15, P(4) = 0.15, and P(5) = 0.05. a. How many red lights should she expect to hit each day? b. What is the standard deviation? F3 F4 F5 F6 F7 F8 F9 F10 F11 $4 4. & 6. 7 8. CO 近
Transcribed Image Text:1. Red Lights A commuter must pass through five traffic lights on his way to work and will have to stop at each one that is red. He estimates the probability model for the number of red lights she hits, as follows: P(0) = 0.05, P(1) = 0.25, P(2) = 0.35, P(3) = 0.15, P(4) = 0.15, and P(5) = 0.05. a. How many red lights should she expect to hit each day? b. What is the standard deviation? F3 F4 F5 F6 F7 F8 F9 F10 F11 $4 4. & 6. 7 8. CO 近
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