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Find the standard deviation, , of this probability distribution. X P(X) 0 0.3 1 0.05 2 0.2 3 0.45 your answer to 1 decimal

Find the standard deviation, , of this probability distribution. X P(X) 0 0.3 1 0.05 2 0.2 3 0.45 your answer to 1 decimal place.) (Please show

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