The table below describes the smoking habits of a group of asthma sufferers. Nonsmoker Occasional smoker Regular smoker Heavy smoker Total Men 406 35 79 49 569 Women 384 34 83 44 545 Total 790 69 162 93 1114 If one of the 1114 people is randomly selected, find the probability of getting a regular or heavy smoker. COMPOUND EVENTS USING THE WORD "AND" (MULTIPLICATION RULE)
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 below describes the smoking habits of a group of asthma sufferers.
|
|
Nonsmoker |
Occasional smoker |
Regular smoker |
Heavy smoker |
Total |
|
Men |
406 |
35 |
79 |
49 |
569 |
|
Women |
384 |
34 |
83 |
44 |
545 |
|
Total |
790 |
69 |
162 |
93 |
1114 |
If one of the 1114 people is randomly selected, find the
From the provided information,
Total regular smoker = 162
Total heavy smoker = 93
Regular and heavy smoker = 0
Total people = 1114
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