In a study of consumer smoking habits, there were 193 people in the 18-22 age br

Question

In a study of consumer smoking habits, there were 193 people in the 18-22 age bracket and 60 smoked, 127 in the 23-30 age bracket and 35 smoked and 96 people in the 31-46 age bracket and 23 smoked. If one person is randomly selected from this sample, what is the probability that the person is in the 18-22 age bracket and smokes? (round to nearest thousandth)

I know that the correct answer is 0.144

I need to know how to get this answer step by step please

Age Smokes Doesn't Smoke Total 18-22 60 133 193 23-30 35 92 127 31-46 23 73 96 Total 118 298 416

Explanation / Answer

Please see the intersection of Age 18-22 and smokes -- it is 60

Total people are 416.

So we need 60/416 which is 0.144

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