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# In a game of chance, two pyramid-shaped, four-sided dice are rolled and their individual totals are ...

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In a game of chance, two pyramid-shaped, four-sided dice are rolled and their individual totals are added. The probability distribution for the game appears in the table.

 X 2 3 4 5 6 7 8 P(X=x) 0.0625 0.125 0.1875 0.25 0.1875 0.125 0.0625

If the sum of the two four-sided dice exceeds 5 (result from die 1 + result from die 2 > 5), the roller wins $5 (end result +5). If the sum is 5 or less, the roller loses$3 (end result –3). What is the expected value from this game?

$0$2

–$2$5

Textbook

## Introductory Statistics: A Problem-Solving Approach

Edition: 3rd
Author:
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egidrarcegidrarc
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