A study identified Bridgeport, Connecticut, San Jose, California, Washington, D.C., and Lexington Park, Maryland as the four U.S. cities wit millionaires for samples of individuals from each of the four cities. Millionaire Yes No Washington, D.C. Lexington Park, MD Bridgeport, CT San Jose, CA Washington, D.C. Lexington Park, MD 40 49 451 260 % % % % City 41 (a) What is the estimate of the percentage of millionaires in each of these cities? (Round your answers to two decimal places.) Bridgeport, CT San Jose, CA O Ho: At least two of the population proportions are equal. H: None of the population proportions are equal. Ho: PB PL PN* PW # H: All population proportions are equal. O Ho: Not all population proportions are equal. 359 39 361 (b) Using a 0.05 level of significance, test for the equality of the population proportion of millionaires for these four cities. State the null and alternative hypotheses. O Ho: PBPL-PN - Pw H: Not all population proportions are equal.
A study identified Bridgeport, Connecticut, San Jose, California, Washington, D.C., and Lexington Park, Maryland as the four U.S. cities wit millionaires for samples of individuals from each of the four cities. Millionaire Yes No Washington, D.C. Lexington Park, MD Bridgeport, CT San Jose, CA Washington, D.C. Lexington Park, MD 40 49 451 260 % % % % City 41 (a) What is the estimate of the percentage of millionaires in each of these cities? (Round your answers to two decimal places.) Bridgeport, CT San Jose, CA O Ho: At least two of the population proportions are equal. H: None of the population proportions are equal. Ho: PB PL PN* PW # H: All population proportions are equal. O Ho: Not all population proportions are equal. 359 39 361 (b) Using a 0.05 level of significance, test for the equality of the population proportion of millionaires for these four cities. State the null and alternative hypotheses. O Ho: PBPL-PN - Pw H: Not all population proportions are equal.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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