Let X be a discrete random variable with the following probability mass function: x 1 3 5 7 p(x) .4 .1 .2 .3 Provide the answers of the following question below using R-project and paste the r-script a.Find the probability that X > 2. b. Calculate the expected value ex of X c. Calculate the expected value ex2 of X2
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.
Let X be a discrete random variable with the following
| x | 1 | 3 | 5 | 7 |
| p(x) | .4 | .1 | .2 | .3 |
Provide the answers of the following question below using R-project and paste the r-script
a.Find the probability that X > 2.
b. Calculate the
c. Calculate the expected value ex2 of X2
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