John Ragsdale sells new cars for Pelican Ford. John usually sells the largest number of cars on Saturday. He has developed the following probability distribution for the number of cars he expects to sell on a particular Saturday. No. of Cars Sold, Probability X P(x) 0 0.1 1 0.2 2 0.3 3 0.3 4 0.1 What type of distribution is this? On a typical Saturday, how many cars does John expect to sell? What is the variance of the distribution?
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.
John Ragsdale sells new cars for Pelican Ford. John usually sells the largest number of cars on Saturday. He has developed the following probability distribution for the number of cars he expects to sell on a particular Saturday.
No. of Cars Sold, Probability
X P(x)
0 0.1
1 0.2
2 0.3
3 0.3
4 0.1
- What type of distribution is this?
- On a typical Saturday, how many cars does John expect to sell?
- What is the variance of the distribution?
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