Asked by Alexandra Rosen on May 07, 2024
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Let x denote a normal random variable with mean 30 and standard deviation 5. What x-value is the 67th percentile of this distribution?
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Normal Random Variable
This variable is described by a distribution that has a graph in the shape of a bell curve, indicating its probability density function is symmetrical around its mean.
Standard Deviation
The statistic that quantifies the dispersion of a set of data points around their mean; it measures how spread out the values in the dataset are.
Percentile
A measure used in statistics indicating the value below which a given percentage of observations in a group of observations fall.
- Attain knowledge about z-scores and the methodologies for calculating them.
Verified Answer
VG
Learning Objectives
- Attain knowledge about z-scores and the methodologies for calculating them.