3. When driving to Pippin's daycare I will go through two construction sites A and B. The probability I have to wait at site A is 0.9 and the probability I have to wait at site B is 0.75. Suppose the construction sites function independently of one another. (a) What is the probability that I have to wait at at least one of the two construction sites? (b) Given that I have to wait at at least one of the two construction sites, what is the probability that I have to wait at both construction sites?

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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.