1. Use the data given to solve the following problems.Savings needed for Health-Care Expenses During RetirementAge at DeathSavings Needed80$219,00085$307,00090$409,00095$524,000100$656,000Source: Employee Benefit Research Institutea.) Use a graphing calculator or Desmos to create a scatterplot of the data. Upload animage of thatb.) Use the graphing utility's regression option to compare the following models: y=ab",y= a + blnx, y= ax+b, and y = axb. Submit a sketch or image of each.c.) Discuss how each of the regression curves in part b fit the data by looking at thecorrelation constant r.d.) Use the model (equation) with the best correlation constant, r from part c and predictby which year the population will reach 315 million.

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Answered: Use the data given to solve the…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A company's sales in Seattle were $390,000 in 2012, while their sales in Portland were $270,000 for the same year. Complete the following statements:a. Seattle's sales were % larger than Portland's.b. Portland sales were % smaller than Seattle's.c. Portland sales were % of Seattle's.Give answers accurate to at least one decimal place.
In a given year, the U.S. federal income tax owed by a married couple filing jointly can be found from the following table. Married Filing Jointly Taxable Income $0-$18,550 T(x) = $18,551-$75,300 $75,301-$151,900 amount over $75,300 $413,351-$466,950 Tax Rate 10% $1,855 plus 15% of the amount over $18,550 $10,367.50 plus 25% of the $151,901-$231,450 amount over $151,900 $466,951 or more if $29,517.50 plus 28% of the $231,451-$413,350 amount over $231,450 $51,791.50 plus 33% of the $130,578.50 plus 39.6% of the amount over $466,950 (a) For incomes up to $151,900, write the piecewise defined function T with input x that models the federal tax dollars due as a function of x, the taxable income dollars earned. $111,818.50 plus 35% of the amount over $413,350 0 < x≤ 18,550 if 18,550 < x≤ 75,300 if 75,300 < x≤ 151,900 (b) Use the function to find T(40,000). $ (c) Find the tax due on a taxable inco of $90,000. $ (d) A friend tells Jack Waddell not to earn any money over $75,300 because it…
Federal Spending 2011-2020 Totals Social Security 17% 1 Net Interest 16% •I Medicare & Medicaid 30% • Other 7% • Defense 20% Non-Defense Other 10%
The percentage of employees who cease their employment during a year is referred to as employee turnover, and it is a serious issue for businesses. The following table shows the cost, in millions of dollars, to a certain company for a given employee turnover percentage in a year.
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SECTION 7D - ASSESSING THE RISKS 1. A country has a population of 62 million. (a) Last year, there were 23,085 traffic fatalities. Find the fatality rate in deaths per 100,000 population. (b) The leading causes of death are shown in the table below along with the actual number of deaths. The capital city is home to 2.5 million people. About how many people would you expect to have died of stroke in the capital? Cause Heart disease Cancer Number of Deaths 147,000 92,250 AIDS 52,890 Stroke 34,400 Pulmonary Disease 27,160

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Use the data given to solve the following problems. Savings needed for Health-Care Expenses During Retirement Age at Death Savings Needed 80 $219,000 85 $307,000 90 $409,000