1) From experience the manager of a bookstore knows that 40% of the people who come into the store will make a purchase. If on a certain day, 340 people come into the store, a) What is the probability that exactly 132 of them make a purchase?
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.
1) From experience the manager of a bookstore knows that 40% of the people who come into the store will make a purchase. If on a certain day, 340 people come into the store,
a) What is the probability that exactly 132 of them make a purchase?
1) From experience the manager of a bookstore knows that 40% of the people who come into the store will make a purchase. If on a certain day, 340 people come into the store,
a) What is the probability that exactly 132 of them make a purchase?
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