Compare · Z-score Calculator
Two independent scenarios side by side.
Scenario A
Z-score
z
0.6667
Within ±1σ — typical
P(Z < z)
0.747508
Cumulative — area to the left
P(Z > z)
0.252492
Area to the right (one-tailed)
P(|Z| > |z|)
0.504985
Two-tailed probability
Percentile
74.8%
x ranks above this share of the population
Scenario B
Z-score
z
0.6667
Within ±1σ — typical
P(Z < z)
0.747508
Cumulative — area to the left
P(Z > z)
0.252492
Area to the right (one-tailed)
P(|Z| > |z|)
0.504985
Two-tailed probability
Percentile
74.8%
x ranks above this share of the population