A court stenographer makes three typographical errors per hour on average. Find the probability that (a) The stenographer makes exactly two typographical errors during an hour long court case. (b) The stenographer makes no more than four typographical errors during an hour long court case. (c) The stenographer makes seven or more typographical errors during an hour long court case.
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.
A court stenographer makes three typographical errors per hour on average. Find the
(a) The stenographer makes exactly two typographical errors during an hour long court case.
(b) The stenographer makes no more than four typographical errors during an hour long court case.
(c) The stenographer makes seven or more typographical errors during an hour long court case.
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