Select all statements that are true for density curves. The curve is symmetric and single-peaked. The curve is on or above the horizontal axis. The proportion of data values between two...

Select all statements that are true for density curves.

The curve is symmetric and single-peaked.

The curve is on or above the horizontal axis.

The proportion of data values between two numbers ?a and ?b is the area under the curve between ?a and ?b.

The total area under the curve is 1.

The curve satisfies the 68-95-99.7% rule.

Jun 01, 2022

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