Average Salary From 1995 through 2002, the average salary for superintendents S (in dollars) in the United States changed at the rate of dS = 2621.7e0.07t dt where t = 5 corresponds to 1995. In 2001, the average salary for superintendents was $118,496. (Source: Educational Research Service) (a) Write a model that gives the average salary for super- intendents per year. (b) Use the model to find the average salary for superin- tendents in 1999.

Q: Question 7

A: 7) (a) The given parametric equations are  x=t+2 and y=t2-1 and t∈-3, 3. Sketch the graph of the…

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Q: Sketch

A: The given data is: r=1θ  To sketch the graph of r=1θ.

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A: Here, E=0.03 For 99% confidence level, the value of z is 2.576. Consider p^=0.5 (as sample size need…

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Q: Define the term Independent Variable?

A: Define the term independent variable.

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Q: Chapter 2 project

A: Title: Developing a Sustainable Product Line: A Comprehensive Business StrategyIntroduction (300…

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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.