The following contingency table shows the approximate number of households with a particular number of registered vehicles in two counties in Washington state in the year 2019. Number of King County Households Number of Chelan Number of vehicles County Households 300 81,000 1 5,800 304,000 2 13,200 493,400 3 8,700 217,800 4 or more 6,800 139,800 a. What percent of all the households shown above (in both Chelan and King counties) have 4 or more cars? (Be sure to show your calculations.) b. What is the probability that one randomly chosen household from Chelan county will have 4 or more cars? (Be sure to show your calculations.) c. What is the probability that one randomly chosen household from those with 4 or more cars will be from Chelan county? (Be sure to show your calculations.)

The following contingency table shows the approximate number of households with a particular number of registered vehicles in two counties in Washington state in the year 2019. Number of King County Households Number of Chelan Number of vehicles County Households 300 81,000 1 5,800 304,000 2 13,200 493,400 3 8,700 217,800 4 or more 6,800 139,800 a. What percent of all the households shown above (in both Chelan and King counties) have 4 or more cars? (Be sure to show your calculations.) b. What is the probability that one randomly chosen household from Chelan county will have 4 or more cars? (Be sure to show your calculations.) c. What is the probability that one randomly chosen household from those with 4 or more cars will be from Chelan county? (Be sure to show your calculations.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 26PPS

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