Approximately 20% of IU students suffer from triskaidekaphobia. IU Health offers a free screening test for triskaidekaphobia that is accurate 90% of the time, which means that someone who has triskaidekaphobia will test positive with probability 0.90, and someone who does not have triskaidekaphobia will test negative with probability 0.90. You take the screening test and the result is negative. What is the probability that you in fact really do not have triskaidekaphobia? (A) 0.18 (B) T (C) 7 (D) 0.72

Q: To diagnose colorectal cancer, the hemoccult test is conducted to detect occult blood in the stool.…

A: Given Information :  To diagnose colorectal cancer, the hemoccult test is conducted to detect occult…

Q: A survey of executives revealed that 35 percent sign of them regularly read The Wall Street Journal,…

A:

Q: When someone buys a ticket for an airline flight, there is a 0.0995 probability that the person will…

A: Given Data: Let X represent the random variable p=1-0.0995=0.9005 n=21   X~ Binomial (21, 0.9005)

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.