Which statement about a uniform probability distribution defined on a given interval is true?
A) The mean is always 0.
B) The mean is always 1.
C) The standard deviation is always 1.
D) The mean is the midpoint of the interval.
E) The standard deviation is equal to the width of the interval.
1 answer
I believe D, because the mean of X~U(a,b) is E(x) =(a+b)/2