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Let a pair of dice be thrown and the random variable be the sum of the numbers that appear on the two dice. Find the mean or expectation of .
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Solution: let be the sum of numbers on the two dice
mean =
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mean =
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Question Text | Let a pair of dice be thrown and the random variable be the sum of the numbers that appear on the two dice. Find the mean or expectation of . |
Answer Type | Text solution:1 |
Upvotes | 150 |