Fertile, female cats produce an average of four litters per year. Suppose that one fertile, female cat is randomly chosen.   Define an appropriate random variable X _____ ________________     Give the distribution of X. X ~ _________     Find the probability that she has no litters in one year.   A. 0.07 B. 0.05           C. 0.04           D. 0.02           E. 0.06     Find the probability that she has at most two litters in one year.    A. 0.15 B. 0.24 C. 0.48           D. 0.39           E. 0.61

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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.