Let X be uniformly distributed on the set (0.1, 0.2, 0.3...., 0.6). What is Var(X)?
Τ A 12-sided die is rolled 4 times, Let X be the sum of the rolls. Let Xi be the ith roll. Which of the following is equal to X? 1. Σ.. Χ 2. Σ 1 X Si=1 3. Σ., Χ. 4. Σ. 1 [X, = 6] 5. Σ 1 [X, = 6] 6. Σ11 [X, = 6] 7Σ, Χ 8. Σ 1 Χ 9Σ, Χ 10. Σ 1 [X = 6] 11. Σ. | |X = 6] 12. Σ{", |X = 6] Type the number (not the answer) in the answer box.
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