) Rob must pass two of these traffic lights on the way to work. What is the risk for that he comes to a red light both places?  b) What is the probability that he gets the green light in at least one of the intersections?  c) Daniel must pass 7 of the traffic lights daily. What is the probability that will get just green lights?  What is the probability that Daniel will get exactly 5 green lights?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

Along the main street in a city are several of the intersections with transverse streets
regulated by traffic lights. These show red 40% of the time, yellow 5% of the time and green
55% of the time. We assume that the traffic lights change between colors
independently.

a) Rob must pass two of these traffic lights on the way to work. What is the risk for
that he comes to a red light both places? 

b) What is the probability that he gets the green light in at least one of the intersections? 

c) Daniel must pass 7 of the traffic lights daily.

What is the probability that will get just green lights? 
What is the probability that Daniel will get exactly 5 green lights?

Expert Solution
steps

Step by step

Solved in 4 steps

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman