There are 8 RED boxes that contain 3 nickels and 7 quarters each, and 2 GREEN boxes that contain 9 nickels and 1 quarter. A coin is drawn randomly from one of the boxes. What is the probability that selected coin is nickel? If it is nickel, what is probability that it is taken from RED box?
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.
There are 8 RED boxes that contain 3 nickels and 7 quarters each, and 2 GREEN boxes that contain 9 nickels and 1 quarter. A coin is drawn randomly from one of the boxes.
- What is the
probability that selected coin is nickel? - If it is nickel, what is probability that it is taken from RED box?
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