Asked by Regina

Suppose a normal distribution has a mean of 20 and a standard deviation of 4.
What is the z-score value 0.52. Its standard deviations is less than the mean?
-0.13
0.13
help please
Answered by Reiny
z-score= (given value - mean)/sd
.52 = (given value - 20)/4

solve for "given value" , let me know what you get, and I will verify.