Problem
FMath 11, 20-2 7.4 Z-SCORE'S 1. Determine the \( z \)-score for each value of \( x \). Round to to a. \( \mu=200, \sigma=25.4, x=250 \)
Solution
Step 1 ：\( z = \frac{x - \mu}{\sigma} \)
Step 2 ：\( z = \frac{250 - 200}{25.4} \)
Step 3 ：\( z \approx 1.9685 \)
