RIS HOW TALL Valid 1230 Missing 2612 Mean 67 Sid. Deviation 4 Minimum 57 Maximum 79 a) Find the z-score for someone 70 inches tall. What does it mean? b) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall or shorter? c) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall or taller?
RIS HOW TALL Valid 1230 Missing 2612 Mean 67 Sid. Deviation 4 Minimum 57 Maximum 79 a) Find the z-score for someone 70 inches tall. What does it mean? b) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall or shorter? c) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall or taller?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Statistics
RIS HOW TALL
Valid
1230
Missing
2612
Mean
67
Std. Deviation
4
Minimum
57
Maximum
79
a) Find the z-score for someone 70 inches tall. What does it mean?
b) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall
or shorter?
c) Assuming that the distribution is normal, what proportion of the sample is 70 inches tall
or taller?
d) Find the z-score for someone 56 inches tall. What does it mean?
e) Assuming that the distribution is normal, what proportion of the sample is 56 inches tall
or shorter?
) Assuming that the distribution is normal, what proportion of the sample is 56 inches tall
or taller?
g) Assuming that the distribution is normal, what proportion of the sample is between 56
and 70 inches tall?
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