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Problem 7 An urn contains four red balls and four white ball. An experiment consists of selection A random sample of four balls and recording

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Problem 7 An urn contains four red balls and four white ball. An experiment consists of selection A random sample of four balls and recording the number of red balls in the sample. Setup the probability distribution and compute its mean and variance. 70 R R. RR Ju www . 5 1012 1/2 3 2/6 "/ 16 1/2 41 151 15 175 1315

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