Question

For normal distribution with mean = 50 and standard deviation = 10 find x-value for z-score=1.5

Answer 1

The appropriate formula is

... z = (x - μ)/σ

Solving for x gives

... x = μ + z·σ

Substituting the given values lets you find x:

... x = 50 + 1.5·10

... x = 65