A test was given to a group of student. The grades and gender are summarized below. A B C Total Male 7 9 11 27 Female 17 14 12 43 Total 24 23 23 70 If one student was chosen at random, find the probability that the student was male. (Enter answer in fraction form)
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 test was given to a group of student. The grades and gender are summarized below.
| A | B | C | Total | |
| Male | 7 | 9 | 11 | 27 |
| Female | 17 | 14 | 12 | 43 |
| Total | 24 | 23 | 23 | 70 |
If one student was chosen at random, find the
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