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C. Solve the following problems. SHOW YOUR SOLUTION. (5 POINTS EACH) 1. A lottery will be conducted for the benefit of the poor but deserving

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C. Solve the following problems. SHOW YOUR SOLUTION. (5 POINTS EACH) 1. A lottery will be conducted for the benefit of the poor but deserving students of a certain school. Four hundred tickets will be sold. One ticket will win Php2,000 and the other tickets will win nothing. If you will buy one ticket, what will be your expected value and variance of his gain

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