SOLUTION: Suppose the Internal Revenue Service is studying the category of charitable contributions. A sample of 22 returns is selected from young couples between the ages of 20 and 35 who h

Algebra ->  Probability-and-statistics -> SOLUTION: Suppose the Internal Revenue Service is studying the category of charitable contributions. A sample of 22 returns is selected from young couples between the ages of 20 and 35 who h      Log On


   



Question 494361: Suppose the Internal Revenue Service is studying the category of charitable contributions. A sample of 22 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 22 returns 7 had charitable contributions of more than $1,000. Suppose 6 of these returns are selected for a comprehensive audit.

(A) What is the probability exactly one of the six audited had a charitable deduction of more than $1,000? (Round your answer to 4 decimal places.)


(B) What is the probability at least one of the audited returns had a charitable contribution of more than $1,000? (Round your answer to 3 decimal places.)



Answer by gmack(1) About Me  (Show Source):