A random variable is normally distributed with mean and standard deviation . Compute the standard -score corresponding to .

Answer and explanation

Correct answer: D.

**Answer: . Why not the others:** divides by 8; uses ; computes .
  1. Step 1: The formula for the standard score is .
  2. Step 2: Substitute values: .

Practise more Differential and Integral Calculus, Differential Equations, and Probability.

Free questions with an explanation for every one, and full timed CESS & Examen d'entrée (Belgium) mock tests.

All Differential and Integral Calculus, Differential Equations, and Probability questionsTake a mock test

More Differential and Integral Calculus, Differential Equations, and Probability questions