Probability based on a game of rolling a pair of dice

Reference no: EM1315933

1. In backgammon, one rolls a pair of two fair dice. The probability of getting a sum of 7 is:

A) 3/36.
B) 4/36.
C) 5/36.
D) 6/36.
E) None of the above.

2. A game involving a pair of dice pays out $4 with probability 16/36, costs you $2 with probability 14/36, and costs you $6 with probability 6/36.

What is your expected gain, in dollars, per play?

A) -$1.78
B) -$8
C) $0
D) $8
E) $1.78

Reference no: EM1315933

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