Textbook ExpertVerified Tutor
18 Nov 2021
Given information
Suppose What value of has a z-score of ?
Step-by-step explanation
Step 1.
For the random variable defined as the is given by,
The tells the position of with respect to mean .
When is positive, is above or right of the mean, and when is negative, is below or left of the mean.
From the given information, is and the random variable is
Therefore,
Now, we use the score formula to find the value of ,
Hence, the value of is .
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