Normal Distribution Applet
Distribution
Mean (μ)
Std Dev (σ)
Probability
Forward
Inverse
Less than
Between
Greater than
Input as
Raw value
z-score
Value (x)
Input as
Raw value
z-score
Lower (x₁)
Upper (x₂)
P(X < 115)
0.841345
≈ 84.1345%
Area to left (p)
Enter a value between 0 and 1
x where P(X < x) = 0.8413
115.0000
z = 1.0000