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Compute the expected payoff, variance, and the standard deviation for each of the following
Question posted by  Compute the expected payoff, variance, and the standard deviation for each of the following probability distributions:

Instructions: Round your answers to 2 decimal places.

a. A payoff of 200 with a probability of 0.4 and 500 with a probability of 0.6.

Expected payoff = .

Variance = .

Standard deviation = .

b. A payoff is 110 with a probability of 0.2; 130 with a probability of 0.3; 150 with a probability of 0.1; and 170 with a probability of 0.4.

Expected payoff = .

Variance = .

Standard deviation = .

c. Every possible payoff that's a whole number between (and including) 100 and 200, each with the same probability.

Expected payoff = .

Variance = .

Standard deviation = .

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Compute the expected payoff, variance, and the standard deviation for each of the following
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