A jar contains 4 red marbles, 5 white marbles, and 8 blue marbles. Two marbles are randomly selected from the jar with replacement. Find the following probabilities. Leave your answer as a reduced fraction. a. A red marble and then a blue marble is randomly selected.
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.
From the given information, a jar contains 4 red marbles, 5 white marbles and 8 blue marbles.
That is, the total number of marbles is 4+5+8=17
Two marbles are randomly selected from the jar with replacement.
a)
The probability that the red marble and then a blue marble is randomly selected is,
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