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2010 Income Distribution up to $100,000 The following table shows the distribution of household incomes in 2010 for a sample of 1,000 households in a country with incomes up to $100,000. 0.3 0.25 0.2 0.15 0.1 0.05 (a) Let X be the (rounded) midpoint of a bracket in which a household falls. Find the relative frequency distribution of X, and graph its histogram. P P 0.3 0.25 0.2 Income Bracket ($) Households 0.15 0.1 0- 20,000- 40,000- 19,999 39,999 59,999 280 180 0.05 250 10,000 30,000 50,000 70,000 90,000 60,000- 80,000- 79,999 99,999 170 120 X A tol 10,000 30,000 50,000 70,000 90,000 0.3 Um.. Uma. 10,000 30,000 50,000 70,000 90,000 10,000 30,000 50,000 70,000 90,000 0.25 0.2 0.15 0.1 0.05 P 0.3 0.25 0.2 0.15 0.1 0.05 X (b) Shade the area of your histogram corresponding to the probability that a randomly selected household in the sample has a value of X above 50,000. What is this probability?

2010 Income Distribution up to $100,000 The following table shows the distribution of household incomes in 2010 for a sample of 1,000 households in a country with incomes up to $100,000. 0.3 0.25 0.2 0.15 0.1 0.05 (a) Let X be the (rounded) midpoint of a bracket in which a household falls. Find the relative frequency distribution of X, and graph its histogram. P P 0.3 0.25 0.2 Income Bracket ($) Households 0.15 0.1 0- 20,000- 40,000- 19,999 39,999 59,999 280 180 0.05 250 10,000 30,000 50,000 70,000 90,000 60,000- 80,000- 79,999 99,999 170 120 X A tol 10,000 30,000 50,000 70,000 90,000 0.3 Um.. Uma. 10,000 30,000 50,000 70,000 90,000 10,000 30,000 50,000 70,000 90,000 0.25 0.2 0.15 0.1 0.05 P 0.3 0.25 0.2 0.15 0.1 0.05 X (b) Shade the area of your histogram corresponding to the probability that a randomly selected household in the sample has a value of X above 50,000. What is this probability?

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
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2010 Income Distribution up to $100,000 The following table shows the distribution of household incomes in 2010 for a sample of 1,000 households in a country with incomes up to $100,000. 0.3 0.25 0.2 0.15 0.1 0.05 (a) Let X be the (rounded) midpoint of a bracket in which a household falls. Find the relative frequency distribution of X, and graph its histogram. P P Income Bracket ($) Households 0.3 0.25 0- 20,000- 19,999 39,999 250 280 0.2 Um 0.15 0.1 0.05 40,000- 60,000- 80,000- 59,999 79,999 99,999 180 170 120 10,000 30,000 50,000 70,000 90,000 10,000 30,000 50,000 70,000 90,000 X X P 0.3 0.2 0.15 L 0.1 0.05 0.25 P 0.3 0.25 0.2 0.15 0.1 0.05 10,000 30,000 50,000 70,000 90,000 10,000 30,000 50,000 70,000 90,000 X X (b) Shade the area of your histogram corresponding to the probability that a randomly selected household in the sample has a value of X above 50,000. What is this probability?
Transcribed Image Text:2010 Income Distribution up to $100,000 The following table shows the distribution of household incomes in 2010 for a sample of 1,000 households in a country with incomes up to $100,000. 0.3 0.25 0.2 0.15 0.1 0.05 (a) Let X be the (rounded) midpoint of a bracket in which a household falls. Find the relative frequency distribution of X, and graph its histogram. P P Income Bracket ($) Households 0.3 0.25 0- 20,000- 19,999 39,999 250 280 0.2 Um 0.15 0.1 0.05 40,000- 60,000- 80,000- 59,999 79,999 99,999 180 170 120 10,000 30,000 50,000 70,000 90,000 10,000 30,000 50,000 70,000 90,000 X X P 0.3 0.2 0.15 L 0.1 0.05 0.25 P 0.3 0.25 0.2 0.15 0.1 0.05 10,000 30,000 50,000 70,000 90,000 10,000 30,000 50,000 70,000 90,000 X X (b) Shade the area of your histogram corresponding to the probability that a randomly selected household in the sample has a value of X above 50,000. What is this probability?
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