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

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?

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