The income of a small business for several years is glven in the table below. Thousands of Dollars Year 2010 3 49.4 60.6 2011 2012 2013 56.6 2014 48 2015 38.2 2016 50 2017 98.4 a) Perform regression to find a cubic polynomial that fits the data. Use years since 2010 as your inputs. p(z) Round all values to 4 decimal places. %3D b) Use the model to predict the income of the business in 2020. thousand Round to 2 decimal places. c) Use the model to predict when the business income will reach $1,000,000. Round to the nearest whole year.

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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.