. In a statistics class of 42 students, 28 have volunteered for community service in the past. If two students are selected at random from this class, Find the following probability for both parts a and b, that exactly one of them have volunteered for community service in the past? Draw a tree diagram for this problem. a. Assuming selection with replacement. b. Assuming selection without replacement.
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.
Q1. In a statistics class of 42 students, 28 have volunteered for community service in the past. If two students are selected at random from this class, Find the following
a. Assuming selection with replacement.
b. Assuming selection without replacement.
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