Quiz 1 - 2. Suppose that P(A)=1/5 and P(B)=1/4. (note: P(A...

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Quiz 1 (2/9/2010) 1. Sample Data : { 30, 10, 4, 37, 24, 60, 49 } 1) Find the mean of the sample. 2) Find the median of the sample. 3) Find the standard deviation of the sample. 4) Find 80 th percentile of the sample data set.
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Unformatted text preview: 2. Suppose that P(A)=1/5 and P(B)=1/4. (note: P(A U B)= P(A) + P(B) P(A n B)) 1) They are independent. Calculate P(A U B). 2) They are mutually exclusive. Calculate P(A U B)....
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