Given the following Discrete Probability Distribution, where the variable x represents the number of cats a family surveyed owns and P(x) represents the probability that the surveyed family will respond with the stated number of cats owned. x P(x) 0 0.261 1 0.378 2 0.205 3 0.156
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.
Given the following Discrete Probability Distribution, where the variable x represents the number of cats a family surveyed owns and P(x) represents the probability that the surveyed family will respond with the stated number of cats owned.
x |
P(x) |
| 0 | 0.261 |
| 1 | 0.378 |
| 2 | 0.205 |
| 3 | 0.156 |
What is the probability that a randomly selected family surveyed will own less than 2 cats?
P(less than 2 cats) = ____________
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