A continuous random variable is uniformly distributed on the interval from 4 to 10. What is its expected value?
Correct answer: C. 7
- A. 4
- B. 6
- C. 7
- D. 10
Explanation
The mean of a uniform distribution on [a, b] is (a + b)/2. Therefore, the expected value is (4 + 10)/2 = 7.
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