Home Normal Approximation Calculator Normal Approximation Calculator Admin Normal Approximation Calculator Normal Approximation Calculator Probability of Success (0 < p < 1): Probability of Failure (0 < q < 1): Number of Occurrences (N): Number of Successes (n): Select Event Restatement: P(x = n) P(x > n) P(x ≤ n) P(x < n) P(x ≥ n) Calculate Clear Enter values to calculate probabilities. Newer Older