Generate Quiz
Enter X Enter μ or X Enter σ or s Enter n
      Click here if you already know your z-score  
The following practice problem has been generated for you:
Using the Normal Distribution, Calculate P(X < 50)
Using the Normal Distribution, Calculate P(X > 50)
Given a normal distribution with μ = 46 and σ = 3, calculate the 68-95-99.7 rule, or three-sigma rule, or empirical rule ranges