In a survey of 3500 people, 1600 had a car, 1350 had a pet, 1700 had a television set, 700 had a TV and a car, 500 had a TV and a pet, 600 had a car and a pet, and 200 had a TV, a car, and a pet. A)How many people had just a pet, but not a tv or car. B)How many people did not have a pet or a TV or a car?
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.
Q4) In a survey of 3500 people, 1600 had a car, 1350 had a pet, 1700 had a television set, 700 had a TV and a car, 500 had a TV and a pet, 600 had a car and a pet, and 200 had a TV, a car, and a pet.
A)How many people had just a pet, but not a tv or car.
B)How many people did not have a pet or a TV or a car?
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