Question: Table 15 gives the probability distributions for the possible earnings from two games of chance. (a) Find the mean and standard deviation for the earnings

Table 15 gives the probability distributions for the possible earnings from two games of chance.

(a) Find the mean and standard deviation for the earnings in each game.
(b) Which game is more favorable for a gambler in the long run?
(c) Which game produces more consistent results?

Table 15 Game A Game B Earnings Probability Earnings Probability -5 .23 -5 32 -1 32 -1 .10 1 .35 .40 5 .07 .13 10 .03 10 .05

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