NO Number in 0 1 2 3 4 5 line Probability 0.08 0.15 0.2 0.15 0.2 (a) Fill the blank in the table to complete the table as a probability model. (b) What is the probability of number of people in checkout line has at least 4 people? (c) What is the mean number of people in a line?
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.
At a certain discount store the number of people in checkout lines varies. the probability model for the number of people in a randomly chosen line is:
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