What is the variance of one throw of the dice

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Reference no: EM13200105

your playing dungeon and dragons an old-school pen and paper role playing game. the game uses an 8 sided dice, with numbers 1-8 on each face. the probability of rolling each number is 1/8.

let y equal the sum of values from two independent rolls, then e[y] is?

what is the variance of one throw of the dice?

suppose the result of the last question was K. then what is the variance of y as defined in the first question?

Reference no: EM13200105

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