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AP® Statistics

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Select the True Statements

APSTAT-ZY4XTK

Which of the following statements is/are true of every normal distribution?

I. It is symmetric about its median.
II. It has µ = $0$ and standard deviation = $1$.
III. About $\frac{3}{4}$ of the data values will be within $1$ standard deviation of its mean.

A

I only.

B

I and III only.

C

I and II only.

D

II only.

E

I, II, and III.