If X is a discrete uniform random variable ranging from one to eight,what is its mean?
A)4.0
B)4.5
C)5.0
D)5.5

Name: If X is a discrete uniform random variable ranging from one to eight,what is its mean? A)4.0 B)4.5 C)5.0 D)5.5
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Quizplus · Accepted Answer

The formula for the mean of a discrete uniform random variable is (a + b)/2, where a is the minimum value and b is the maximum value. In this case, a = 1 and b = 8. Therefore, the mean of X is (1 + 8)/2 = 4.5, which is option B.

If X Is a Discrete Uniform Random Variable Ranging from One