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Let x have a normal distribution with a mean of 30 and a standard deviation of 7. The z value for x = 34 is: O d. 3.86 O b. -0.57 O e. 0.08 O c. 0.57 O a. 0.13

Let x have a normal distribution with a mean of 30 and a standard deviation of 7. The z value for x = 34 is: O d. 3.86 O b. -0.57 O e. 0.08 O c. 0.57 O a. 0.13

MATLAB: An Introduction with Applications
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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Let x have a normal distribution with a mean of 30 and a standard deviation of 7. The z value for x = 34 is: O d. 3.86 O b. -0.57 e. 0.08 O c. 0.57 O a. 0.13
Transcribed Image Text:Let x have a normal distribution with a mean of 30 and a standard deviation of 7. The z value for x = 34 is: O d. 3.86 O b. -0.57 e. 0.08 O c. 0.57 O a. 0.13
Expert Solution
Step 1: Determine the formula of the Z-score

The formula of the Z-score is,

Statistics homework question answer, step 1, image 1

Where, 

X denotes the raw data point,

µ denotes the population mean,

σ denotes the population standard deviation.

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