A group of people were asked if some people see the future in their dreams. 114 responded "Yes", and 326 responded "No". Find the probability that if a person is chosen at random, the person believes some people see the future in their dreams. Probability = (Round to 4 decimal places) Giving a test to a group of students, the grades and gender are summarized below Grades vs. Gender A B C Male 7 2 11 Female 17 13 12 If one student was chosen at random, find the probability that the student got a B. Probability = (Round to 4 decimal places)
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.
A group of people were asked if some people see the future in their dreams. 114 responded "Yes", and 326 responded "No". Find the probability that if a person is chosen at random, the person believes some people see the future in their dreams.
Probability = (Round to 4 decimal places)
Giving a test to a group of students, the grades and gender are summarized below
Grades vs. Gender
| A | B | C | |
|---|---|---|---|
| Male | 7 | 2 | 11 |
| Female | 17 | 13 | 12 |
If one student was chosen at random, find the probability that the student got a B.
Probability = (Round to 4 decimal places)
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