X shows a normal distribution with a mean of u=50 and a standard deviation of o=10. What standard z value does the value x=55 convert to? O A) 1,5 O B) 0 OC) 1,0 O D) 2,0 O E) 0,5
X shows a normal distribution with a mean of u=50 and a standard deviation of o=10. What standard z value does the value x=55 convert to? O A) 1,5 O B) 0 OC) 1,0 O D) 2,0 O E) 0,5
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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
Transcribed Image Text:X shows a normal distribution with a mean of u=50 and a standard deviation of o=10. What standard z value does the value x-55
3 -
convert to?
A) 1,5
O B) 0
O C) 1,0
O D) 2,0
E) 0,5
Expert Solution
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Step 1
Standardization of a normal random variable x with mean μ and standard deviation σ is done by subtracting the mean(μ) from x values and dividing it by σ .
The standardized value is called z-score.
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