A salesperson goes door-to-door in a residential area to demonstrate the use of a new household appliance to potential customers. At the end of the demonstration, it was found that 1 out of 5 potential customers would place an order for the product. If the salesperson makes 15 demonstrations, what is the probability that there would be exactly 4 orders.
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 salesperson goes door-to-door in a residential area to demonstrate the use of a new household appliance to potential customers. At the end of the demonstration, it was found that 1 out of 5 potential customers would place an order for the product.
If the salesperson makes 15 demonstrations, what is the
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
