Regardless of the shape of a particular normal curve,about 75% of the area is within the interval $\mu \pm \sigma$ ,where $\mu$ and $\text { ? }$ are the mean and the standard deviation,respectively.

Question

Quizplus · Accepted Answer

For a normal distribution, about 68% of the area under the curve falls within one standard deviation ($\mu \pm \sigma$) of the mean ($\mu$), not 75%.

Regardless of the Shape of a Particular Normal Curve,about 75 μ±σ\mu \pm \sigmaμ±σ

Regardless of the Shape of a Particular Normal Curve,about 75 $\mu \pm \sigma$