Each student in a class of 40 plays at least one indoor game chess, carrom and scrabble. 18 play chess, 20 play scrabble and 27 play carrom. 7 play chess and scrabble, 12 play scrabble and carrom and 4 play chess, carrom and scrabble. Find the number of students who play (i) chess and carrom. (ii) chess, carrom but not scrabble
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.
Each student in a class of 40 plays at least one indoor game chess, carrom and scrabble. 18
play chess, 20 play scrabble and 27 play carrom. 7 play chess and scrabble, 12 play scrabble and
carrom and 4 play chess, carrom and scrabble.
Find the number of students who play
(i) chess and carrom.
(ii) chess, carrom but not scrabble
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