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Mathematics, 26.10.2019 08:43 nathaliapachon7948

Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (negative values should be indicated by a minus sign. round intermediate calculations to at least 4 decimal places. round your final answers to 2 decimal places.)
x โˆ’28 โˆ’24 โˆ’9 โˆ’4
p(x = x) 0.42 0.30 0.20 0.08

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