Question

count Male Female Total none smoker 149 148 297 past smoker 13 24 37 current smoker...

count Male Female Total
none smoker 149 148 297
past smoker 13 24

37

current smoker

total

31

193

37

209

68

402

The following is a contingency table to be used to answer the following questions 1 : a) What is the probability that the test subject is a past smoker?

b) What is the probability that the test subject is a female, current smoker?

c) What is the probability that the test subject is a female or a current smoker?

d) If the test subject is past smoker, what is the probability that the gender is male?

e) If the test subject is male, what is the probability that he is a past smoker?

Math   Statistics-And-Probability   
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