Suppose Nancy has classes three days a week. She attends classes three days a week 80% of the time, two days 15% of the time, one day 4% of the time, and no days 1% of the time. Suppose one week is randomly selected. The probability distribution is given below. Find the probability that Nancy attends classes more than 1 day. x P(x) 0 0.01 1 0.04 2 0.15 3 0.80
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.
Suppose Nancy has classes three days a week. She attends classes three days a week 80% of the time, two days 15% of the time, one day 4% of the time, and no days 1% of the time. Suppose one week is randomly selected. The
Find the probability that Nancy attends classes more than 1 day.
|
x |
P(x) |
|
0 |
0.01 |
|
1 |
0.04 |
|
2 |
0.15 |
|
3 |
0.80 |
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