Each individual letter of the word Arizona is placed on a piece of paper, and all 7 pieces of paper are placed in a hat. If one letter is selected at random from the hat, find the probability that the letter "i" is selected. What is the probability that the letter "i" is selected? P(i) =| (Type an integer or a simplified fraction.)

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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.