..oo Verizon LTE 3:38 PM ezto.mheducation.com 14%D+ 12.50 points There are 26 fa

Question

..oo Verizon LTE 3:38 PM ezto.mheducation.com 14%D+ 12.50 points There are 26 families living in the Willbrook Farms Development. Of these families, 14 prepared their owrn federall income taxes for last year, 8 had their taxes prepared by a local professional, and the remaining 4 by H&R; Block a. What is the probability of selecting a family that prepared their own taxes? (Round your answers to 3 decimal places.) Probability b. What is the probability of selecting two families, both of which prepared their own taxes? (Round your answers to 3 decimal places.) Probability c. What is the probability of selecting three families, all of which prepared their own taxes? (Round your answers to 3 decimal places.) Probability d. What is the probability of selecting two families, neither of which had their taxes prepared by H&R; Block? (Round your answers to 3 decimal places.) Probability eBook& Resources the

Explanation / Answer

Given :-

Total (n) = 26,

14 prepared their own federal income taxes,

8 had their taxes prepared by local professional,

4 H and R block.

a) Therefore 14/26 = 0.539 is the probability that of selecting a family that prepared their own taxes.

b) Therefore (14/26)*(13/25) = 0.28 is the probability that selecting two families, both of which prepared their own taxes.

c) Therefore (14/26)*(13/25)*(12/24)=0.14 is the probability that of selecting three families, all which prepared their own taxes.

d) 14+8= 22

Therefore (22/26)*(21/25) =0.711 is the probability that of selecting two families, neither of which had their taxes prepared by H&R block.

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