hat is the probaility of randomly selecting a driver who is male and prefers caltex? What is the probability of selecting a female driver, given that the preferred petrol station is engen? What is the probability of selecting a driver who does not prefer caltex?
hat is the probaility of randomly selecting a driver who is male and prefers caltex? What is the probability of selecting a female driver, given that the preferred petrol station is engen? What is the probability of selecting a driver who does not prefer caltex?
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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Question
The following contigency table gives the results of a sample survey of south african male and female drivers with regards to their preferred petrol station.
Preferred petrol station | preferred petrol station | preferred petrol station | preferred petrol station | |
BP | Caltex | Engen | Total | |
No. Of males | 95 | 75 | 60 | 230 |
No. Of females | 55 | 35 | 30 | 120 |
Total | 150 | 110 | 90 | 350 |
What is the probaility of randomly selecting a driver who is male and prefers caltex?
What is the
What is the probability of selecting a driver who does not prefer caltex?
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