Lily is concerned she might have a disease that affects 10% of the population. A drug-store test is available. The test has a false-positive rate of 20% and a false-negative rate of 30% (a false positive is when a person doesn’t have the disease, but result is positive). What is the probability of a positive test result? Test returns and it is positive. What is the probability that he has the disease?
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.
Lily is concerned she might have a disease that affects 10% of the population. A drug-store test is available. The test has a false-positive rate of 20% and a false-negative rate of 30% (a false positive is when a person doesn’t have the disease, but result is positive).
What is the
Test returns and it is positive. What is the probability that he has the disease?
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