In a school, the ratio of the number of pupils who wear glasses to the number of pupils who do not wear glasses is 11 : 5. 2/3 of the boys and 7/10 of the girls wear glasses. What is the ratio of the number of boys to the number of girls who wear glasses?
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.
In a school, the ratio of the number of pupils who wear glasses to the number of pupils who do not wear glasses is 11 : 5.
2/3 of the boys and 7/10 of the girls wear glasses.
What is the ratio of the number of boys to the number of girls who wear glasses?
Step by step
Solved in 2 steps with 2 images
