The population mean annual salary of environmental compliance specialists is about $63,500. A random sample of 38 specialists is drawn from this population. Assume that o = $5,500. Find the probability that the mean salary for the sample is less than $60,500. Round to four decim places as needed.

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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.