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.
what id 30+1x0
Use BODMAS rule here (Bracket of Division Multiplication Addition Subtraction)
So firstly we solve for division, then multiply, then add and lastly subtract.
So here first we multiply as 1x0 = 0
And then add the result to 30 as 30 + 0 = 30
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