MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
a sample of 200 persons is asked about their handedness. a two way table of observed counts as follows.
m= men w=women l=left handed r= right handed
if one person is randomly selected, find:
p(w)=
P(r)=
left handed | right handed | total | |
men | 11 | 79 | 90 |
women | 9 | 101 | 110 |
total | 20 | 180 | 200 |
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