What is the probability that it was the two-headed coin?
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.
There are three coins in a box. One is a two-headed coin, another is a fair coin, and the third is a biased coin that comes up tails 25 percent of the time. When one of the three coins is selected at random and flipped, it shows heads. What is the
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