5.67 Income Splitting According to an Ipsos Reid survey (February 27, 2007), conducted on behalf of CanWest/Global

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5.67 Income Splitting According to an Ipsos Reid survey (February 27, 2007), conducted on behalf of CanWest/Global News, most Canadians (77%) are in favour of "income splitting" for couples. 10 Suppose that we randomly select n = 15 Canadians and let x be the number who are in favour of income splitting for couples. You may round up 77% to 80% for the calculation.

a. What is the probability distribution for x?

b. What is P(X 8)?

c. What is the probability that X exceeds 8?

d. What is the largest value of c for which P(X

c) 0.10?

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