Question
Scores on the quantitative portion of the GRE are approximately normally distributed with mean u=150.8 and a standard deviation o=8.8. 1. A random sample of
Scores on the quantitative portion of the GRE are approximately normally distributed with mean u=150.8 and a standard deviation o=8.8.
1. A random sample of 5 students was selected to take the GRE. Their scores are: 160, 175, 163, 149, 153.
What is the z-score corresponding to the sample mean of these students' scores?
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
