Let x be the number showing on a fair six-sided die. The distribution of x has a mean of 3.5 and a standard deviation of 1.71. If a six-sided die is rolled 30 times, what is the probability that the average of all 30 rolls is less than 3?
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.
Let x be the number showing on a fair six-sided die. The distribution of x has a
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