A researcher wishes to determine the number of cups of coffee a customer drinks with an evening meal at a restaurant. Find the variance. X P(X) 0 0.28 Probability Distribution 1 2 0.43 0.18 3 0.05 4 0.06 X P(X) S A researcher wishes to determine the number of cups of coffee a customer drinks with an evening meal at a restaurant. Find the variance. 0 0.28 Ĉ Probability Distribution 2 1 0.43 0.18 3 0.05 4 0.06

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