A sample of 200 person is asked about their handedness. A two way table of observed counts
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Question:
A sample of 200 person is asked about their handedness. A two way table of observed counts follows:
| Left-handed | Right-Handed | Total |
Men | 11 | 79 | |
Women | 9 | 101 | |
Total | | | |
Let M: selected person is men: W: selected person is a women;
L: selected person is left-handed; R: selected person is right-handed
If one person is randomly selected, find
a. P(W)
b. P(R)
c. P(M ∩ R)
d. P (W ∪ L)
e. P( M | L)
f. P( R | W)
If two persons are randomly selected with replacement,
What is the probability of the first selected person is a left-handed men and the second selected person is right-handed men?
Related Book For
Elementary Statistics A step by step approach
ISBN: 978-0073386102
8th edition
Authors: Allan Bluman
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