stüdentS(3) The population is classified by their economic status: poor, middle-classand rich. Every year, people moving up and down the economic ladderaccording toFrom: To:рoormiddle-classrich0.90.050.05рormiddle-class0.10.80.1rich0.020.020.96In year 2011, a 100-family town is made up of 30 poor, 40 middle-class and30 rich families,a. what will be the makeup of this town in year 2012?b. what will be the makeup of this town in year 2015?c. what was the makeup of this town in year 2010?

Given the data as poor middle-class rich poor 0.9 0.05 0.05 middle-class 0.1 0.8 0.1 rich…

Answered: (3) The population is classified by…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A researcher has hypotheses that children who are "inclusive" classroom develop more empa than children who are NOT in "inclusive" class rooms. Previous research finds that the average empathy scores for the population of children NOT in "inclusive" classroom is 5 and a standard deviation of 1.The researcher collects data on empathy for eight children in "inclusive" classroom. These scores are 6,7,8, 5,4,5 ,3 8, Test the hypothesis at the siignifance level(alpha=.05). Use the following 5 step procedure. Step 1: State the NULL hypothesis. Step 2: State the Alternative hypothesis Step 3: Set the siignifiance level( alpha); Step 4: Calculate the Test statistic and corresponding p value. Step 5: Draw a conclusion.
Assuming that workers' salaries in your company are uniformly distributed between $10,000 and $50,000 per year. Find the amount of money that 35% of the workers make more than that value?
A state fisheries commission wants to estimate the number of bass caught in a givenlake during a season in order to restock the lake with the appropriate number ofyoung fish. The commission has information on the seasonal catch (CATCH) inthousands of bass per square mile; the size of the lake in square miles (SIZE); thenumber of lakeshore residences per square mile (RESIDENCE); the number of livingplaces for bass (i.e. weed beds, sunken trees, drop offs etc.) (STRUCTURE) andACCESS a dummy variable equal to 1 if the lake has public access and 0 if not. What do you think are the expected signs of the regression coefficients?Justify your choice. Using R-studio, estimate the multiple linear regression model. ALL input codes and output tables should be provided.(b) Is the overall regression equation statistically significant at the 1% level?Justify your answer. Ensure that you state the null hypothesis(es) and thedecision rule in your analysis.(c) Find and interpret a 95% confidence…
need help in part d,e anf f
The table shows the leading causes of death in a certain country in a recent year. The population of the country was 311311 million. If you lived in a typical city of 500,000, how many people would you expect to die of cancercancer each year? Cause Deaths Cause Deaths Heart disease 596 comma 700596,700 Alzheimer's disease 84 comma 90084,900 Cancer 575 comma 300575,300 Diabetes 73 comma 40073,400 Chronic respiratory diseases 143 comma 100143,100 Pneumonia/Influenza 53 comma 40053,400 Stroke 128 comma 600128,600 Kidney disease 45 comma 30045,300 Accidents 122 comma 500122,500 Suicide 38 comma 60038,600 About people would be expected to die of cancer each year. (Type a whole number. Round to the nearest person as needed.)
An interdepartmental task force is being formed to investigate an increase in violent crimes. 1/5 of the task force will be police officers from the local precinct. 1/4 will be ATF agents, and the remaining 22 will be from the FBI. How many people are participating in the task force?
The shortage of organs for transplant is a continuing problem. At the end of 2000, there were 3536 people waiting for a heart transplant, 3355 for a lung transplant, 16,012 for a liver transplant, and 46,824 for a kidney transplant. Corresponding figures for 2003 were 3292, 3543, 16,985, and 56,590, respectively. In 2006, the figures were 2625, 2691, 16,882, and 68,412, respectively. Express the information as a matrix, labeling rows and columns. Fill in the matrix below. Heart Liver 3536 46,824 3543 56,590 2006 2625 16,882
Need 99% interval for all five countries.

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