Of all the people applying for a certain job, 70% are qualified and 30% are not. The personal manager claims that she approves people 90% of the time; she approves unqualified people 20% of the time. Find the probability that a person is not qualified if he or she was approved by the manager.
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.
Of all the people applying for a certain job, 70% are qualified and 30% are not. The personal manager claims that she approves people 90% of the time; she approves unqualified people 20% of the time. Find the probability that a person is not qualified if he or she was approved by the manager.
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