Working problem 4.18 :The data in the Table below was taken from the U.S. Census Bureau report titled “HINC-01.Selected Characteristics of Households, by Total Money Income in 2005"(http://www.census.gov/hhes/www/cpstables/032010/hhinc/new01 001.htm)Hou seholds(thousands)24,55926,90420,02614,535IncomeUnder $20,000$20,000 to < $40,000$40,000 to< $60,000$60,000 to< $80,000S80,000 to < $100,000Above $100,0009,3627,813If a U.S. family is selected at random, Determine- What is the probability that the family has an annual income of under $20,000- What is the probability that the family has an annual income of under $60,000-What is the probability that the family selected has an annual income of less than $40,000or less than $80,000?41 Working problem 4.28:A company established identification pass codes to its employees to enter its researchlaboratories. Each consist of three digits followed by three letters.a. How many different pass codes are possible?b. How many possibilities are there for pass codes in whichno letter or digit is repeated?

Answered: Image /qna-images/answer/38b9a44f-f501-4efb-ac23-bcfc8314fb24.jpg

Answered: The data in the Table below was taken…

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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