Select all statements that are true for density curves.

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter29: Tolerance, Clearance, And Interference
Section: Chapter Questions
Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...
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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.
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ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,