probability of a certain number of people not showing up to work. How many absences do we expect each day? What is the standard deviation of absences each day? What is the probability of having 3 or more absent employees on a given day? absences / odds
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.
We run a large factory with many employees. To operate at peak efficiency, we need exactly 150 people to show up to work. Below is a table of
absences each day? What is the probability of having 3 or more absent employees on a given day?
absences / odds
0 25%
1 25%
2 20%
3 15%
4 10%
5 5%
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