Question

formula for finding Z-score?

Answer 1

@Erak @FortyTheRapper @AloneS @Haseeb96

Answer 2

Sorry, I never got the chance to study probability

Answer 3

@FortyTheRapper thanks anyway ☺

Answer 4

@Mehek14

Answer 5

would it be like that?

Answer 6

Just like fill in the blank;

Answer 7

thanks

Answer 8

Also I found this

Answer 9

For example, let’s say you have a test score of 190. The test has a mean (μ) of 150 and a standard deviation (σ) of 25. Assuming a normal distribution, your z score would be:
z = x – μ / σ
= 190 – 150 / 25 = 1.6.