Homework:HW5.1-Introduction to Normal Distributions and the

Question 3, 5.1.4

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What do the inflection points on a normal distribution represent? Where do they occur?

What do the inflection points on a normal distribution represent? Choose the correct answer below.

A.

They are the points at which the cumulative area under the curve is 0 and 1.

B.

They are the points that mark the boundaries of the middle 50% of the area under the curve.

C.

They are the points at which the curve changes sign.

D.

They are the points at which the curve changes between curving upward and curving downward.

Your answer is correct.

Where do they occur? Choose the correct answer belo