HomeWork_3

# HomeWork_3 - Home Work 3: 1. Suppose that a sample space...

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Home Work 3: 1 . Suppose that a sample space has five equally likely experimental outcomes: E 1 , E 2 , E 3 , E 4 , E 5 . Let A = {E 1 , E 2 } B = {E 3 , E 4 } C = {E 2 , E 3 , E 5 } a. Find P(A), P(B), and P(C). b. Find P (A U B) . Are A and B mutually exclusive? c. Find c c C A , ,, P( c A ) and P( c C ). d. Find A U c B and P(A U c B ). e. Find P (B U C) 2. Data on the 30 largest bond funds provided one-year and five-year percentage returns for the period ending March 31, 2000 ( The Wall Street Journal, April 10, 2000). Suppose we consider a one-year return in excess of 2% to be high and a five-year return in excess of 44% to be high. One- half of the funds had a one-year return in excess of 2%, 12 of the funds had a five-year return in excess of 44%, and six of the funds had both a one-year return in excess of 2% and five-year return in excess of 44%. a. Find the probability of a fund having a high one-year return, the probability of a fund having

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## This note was uploaded on 02/06/2012 for the course ECON 103 taught by Professor Gispy during the Spring '11 term at Prairie State College .

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HomeWork_3 - Home Work 3: 1. Suppose that a sample space...

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