Question 26 The population proportion of individuals in the United states who are aged 18+ have received at least one COVID-19 vaccine is 0.59. In PA, the proportion of 100 randomly selected individuals who are aged 18+ and have received at least one COVID-19 vaccine was calculated to be 0.61. If random samples of size 100 were selected from each state, can we assume normality of sample proportions? Explain.

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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.