It is desired to investigate the status of participation in business development trainings in a factory. Which of the following is the expected value of those over 30 years old an
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.
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It is desired to investigate the status of participation in business development trainings in a factory. Which of the following is the
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Given information:
| Less than 30 years old | over 30 years old | Total | |
| Participants | 80 | 40 | 120 |
| Those who did not attend | 90 | 90 | 180 |
| Total | 170 | 130 | 300 |
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