A survey of 80 people finds: 42 like Metallica. 27 like Queen. 5 like Nickelback. 15 like both Metallica and Queen 1 Like both Metallica and Nickelback. 2 Like both Queen and Nickelback. 1 Likes all three. How many people like Metallica, but neither of the other two bands?
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 survey of 80 people finds:
42 like Metallica.
27 like Queen.
5 like Nickelback.
15 like both Metallica and Queen
1 Like both Metallica and Nickelback.
2 Like both Queen and Nickelback.
1 Likes all three.
How many people like Metallica, but neither of the other two bands?
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