Question
390 voters are classified by income and political party. The results are shown in the table. If a person is selected at random from the
390 voters are classified by income and political party. The results are shown in the table. If a person is selected at random from the sample, find the probability that the person has high income. 
Find the indicated probability. 390 voters are classified by income and political party. The results are shown in the table. If a person is selected at random from the sample, find the probability that the person has high income. Democrat Republican Total Low Income 106 74 180 Medium Income 91 69 160 HighIncome Super High Income Total 19 15 34 7 16 225 165 390 0.087 0.559 0.084 0.049
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Essential Statistics
Authors: Robert Gould, Colleen N. Ryan, Rebecca Wong
2nd Edition
0134134400, 978-0134134406
