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probability problem




Question;Suppose the Internal Revenue Service is studying the;category of charitable contributions. A sample of 25 returns is selected from;young couples between the ages of 20 and 35 who had an adjusted gross income of;more than $100,000. Of these 25 returns 5 had charitable contributions of more;than $1,000. Suppose 4 of these returns are selected for a comprehensive audit.;(b);What is the probability exactly one of the four audited had;a charitable deduction of more than $1,000? (Round your answer to 4 decimal;places.);Probability;(c);What is the probability at least one of the audited returns;had a charitable contribution of more than $1,000? (Round your answer to 4;decimal places.);Probability


Paper#60985 | Written in 18-Jul-2015

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