ts have allergies. A test for allergies correctly diagnoses the presence of an allergy in 85% of the people who have one and correctly diagnoses its absence in 75% of the people who don’t. Find the probability that a person who tests positive actually has an allergy.
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.
40% of a country's residents have allergies. A test for allergies correctly diagnoses the presence of an allergy in 85% of the people who have one and correctly diagnoses its absence in 75% of the people who don’t. Find the
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