Long-term history has shown that 75% of all elected offices in an urban district have been won by Democrats. This year there are 8 public offices up for election. What is the probability that 5 or more offices will be won by Democrats?
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.
Long-term history has shown that 75% of all elected offices in an urban district have been won by Democrats.
This year there are 8 public offices up for election. What is the
Democrats?
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