## Answered: - Which of the following is always true for all probability density

Which of the following is always true for all probability density functions of continuous random variables??
A.?They are bell-shaped?
B.?They are symmetrical?
C.?The area under the curve is 1.0?
D.?They have the same height

A standard normal distribution is a normal distribution with?
A.?a mean usually larger than the standard deviation?
B.?a mean always larger than the standard deviation?
C.?a mean of zero and a standard deviation of one?
D.?a mean of one and a standard deviation of zero

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This question was answered on: Oct 07, 2020

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