It is estimated that 55% of households own a riding lawnmower. A sample of 20 households is studied. What is the probability that exactly 11 of these on a riding lawnmower.
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.
It is estimated that 55% of households own a riding lawnmower. A sample of 20 households is studied. What is the probability that exactly 11 of these on a riding lawnmower.
Step by step
Solved in 2 steps with 2 images