(A BUSINESS NEEDS WISE PEOPLE) A saleswoman buys the five products say, bag, sunglass, watch, makeup set, and fountain pen from a supplier. Let x =78, x2 = 25, x3 = 22, x4 = 40 and xs =10 be the costs respectively. A saleswoman sets a profit of $3 after selling these five products combined. If she sold one item of each product, compute her total sale as: %3D Ex; +3 i=l

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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.