There are 4 red balls, 6 blue balls and 2 white balls in a bag. Suppose on every single turn, you randomly select a ball, see the color of it and put it back in the bag. You keep doing this repeatedly. a. What is the probability that you get the first red ball on the 5th turn? b. How many turns are expected to get one non-white ball? c. What is the variance of the number of turns required to get one blue ball?
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 4 red balls, 6 blue balls and 2 white balls in a bag. Suppose on every single turn, you
randomly select a ball, see the color of it and put it back in the bag. You keep doing this
repeatedly.
a. What is the probability that you get the first red ball on the 5th turn?
b. How many turns are expected to get one non-white ball?
c. What is the variance of the number of turns required to get one blue ball?
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