The table lists the smoking habits of a group of college students. Sex Non-smoker Regular Smoker Heavy Smoker Total Man 135 52 5 192 Woman 187 21 12 220 Total 322 73 17 412 If a student is chosen at random, find the probability of getting someone who is a man or a non-smoker. Round your answer to three decimal places.
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
The table lists the smoking habits of a group of college students.
|
Sex |
Non-smoker |
Regular Smoker |
Heavy Smoker |
Total |
|
Man |
135 |
52 |
5 |
192 |
|
Woman |
187 |
21 |
12 |
220 |
|
Total |
322 |
73 |
17 |
412 |
If a student is chosen at random, find the probability of getting someone who is a man or a non-smoker. Round your answer to three decimal places.
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