A box contains 11 red marbles, 7 green marbles, and 6 black marbles. A sample of 10 marbles is to be picked from the box. (a) How many samples contain at least 1 red marble?(b) How many samples contain exactly 4 red marbles and exactly 3 black marbles?(c) How many samples contain exactly 7 red marbles or exactly 6 green marbles?(d) How many samples contain exactly 5 green marbles or exactly 3 black marbles?

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A: Letters - A,B,C n= 3 r = 2

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Q: elected fr

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A: ANSWER :

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A: Given,total no.of applicants=15

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.