There are 32 families living in the Willbrook Farms Development. Of these famili
ID: 3023837 • Letter: T
Question
There are 32 families living in the Willbrook Farms Development. Of these families, 15 prepared their own federal income taxes for last year, 11 had their taxes prepared by a local professional, and the remaining 6 by H&R Block.
What is the probability of selecting a family that prepared their own taxes? (Round your answer to 2 decimal places.)
What is the probability of selecting two families, both of which prepared their own taxes? (Round your answer to 4 decimal places.)
What is the probability of selecting three families, all of which prepared their own taxes? (Round your answer to 4 decimal places.)
What is the probability of selecting two families, neither of which had their taxes prepared by H&R Block? (Round your answer to 4 decimal places.)
(a)
What is the probability of selecting a family that prepared their own taxes? (Round your answer to 2 decimal places.)
Explanation / Answer
a) 15/32 0.46875 0.47 b) 15C2/32C2 0.211694 0.2117 c) 15C3/32C3 0.091734 0.0917 d) 26C2/32C2 0.655242 0.6552
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