In a psychology class, there are 13 psychology majors and 12 non-psychology majors. 2 students are randomly selected to present a topic. What is the probability that at least 1 of the 2 students selected is a psychology major? Express your answer as a fraction or a decimal number rounded to four 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.
In a psychology class, there are 13 psychology majors and 12 non-psychology majors. 2 students are randomly selected to present a topic. What is the
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