1. The Brazilian Forest Service (Servico Florestal Brasileiro, SFB) is faced with the need to restrict vehicles and visitors to their national forests which are being threatened. According to the latest survey results, it was estimated that 86% of Brazilians from one state called Amazonas support such restrictions and 54% of Brazilians from another state called Bahia support the restrictions. The SFB conducts a random sample of 300 Brazilians from Amazonas and another random sample of 250 Brazilians from Bahia. A. Find the mean and standard deviation of the sampling distribution of p, - 2. Interpret the mean and standard deviation. B. Describe the shape of the sampling distribution of p, - P2. Justify your answer. C. What is P(P, - P2) >0 ? D. Interpret your answer to part Cin context.

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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.