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Let X = time waiting in line at a restaurant to get a seat. Mean of X = 20 min, Variance of X = 25

Let X = time waiting in line at a restaurant to get a seat. Mean of X = 20 min, Variance of X = 25

Let Y = time waiting for your food to arrive. Mean of X = 30 min, Variance of Y = 36

X and Y are correlated and the correlation is 0.80.

What is the variance of the TOTAL TIME waiting?

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