A box contains three black pieces of cards, two striped pieces, and four dotted pieces. A piece is selected randomly and then placed back in the box. A second piece is selected randomly. What is the probability that: (a) Both pieces are dotted? (b) The first piece is black and the second piece is dotted? (c) One piece is black and one piece is striped?
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 box contains three black pieces of cards, two striped pieces, and four dotted pieces. A piece is selected randomly and then placed back in the box. A second piece is selected randomly. What is the
(a) Both pieces are dotted?
(b) The first piece is black and the second piece is dotted?
(c) One piece is black and one piece is striped?
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