a sample of 20 patients randomly (without replacement) from 500 patients to evaluate adherence to a medication schedule. Suppose that 5
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.
Suppose that a healthcare provider selects a sample of 20 patients randomly (without replacement) from 500 patients to evaluate adherence to a medication schedule. Suppose that 50 of the 500 patients fail to adhere with the schedule. What is the probability that exactly 2 patients in the sample fail to adhere?
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