A certain virus infects 5% of the population . A test used to detect the virus in a person is positive 80% of the time if the person has the virus, and 10% of the time if the person does not ahve the virus. A. What is the probability that a random selected person tested positive and has the virus? B. What is the probability that a randomly selected person tested positive and does not have the virus? C. What is the probibility that a randomly selected person has the virus given that they get a positive test result?
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 certain virus infects 5% of the population . A test used to detect the virus in a person is positive 80% of the time if the person has the virus, and 10% of the time if the person does not ahve the virus.
A. What is the probability that a random selected person tested positive and has the virus?
B. What is the probability that a randomly selected person tested positive and does not have the virus?
C. What is the probibility that a randomly selected person has the virus given that they get a positive test result?
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