Select the type of probability calculation you want to perform from the dropdown menu.
Enter the required values in the input fields that appear. For probabilities (P), enter values between 0 and 1. For counts, enter non-negative numbers.
Click the "Calculate Probability" button.
The calculated probability will be displayed below.
Click "Show Details" to view the formula, theory, and step-by-step calculation for the chosen scenario.
Fraction Simplifier & Calculator Standard Fraction Mixed Number / / / Simplify Fraction Convert to Mixed Convert to Decimal Decimal to Fraction Clear Show Operations Hide Operations Add Fractions Subtract
Advanced Z-Score Calculator How to Use: Enter the Raw Score (X): This is the specific data point or value you want to standardize. Enter the Population Mean (μ): This is
Empirical Rule Calculator (68-95-99.7 Rule) The Empirical Rule (also known as the 68-95-99.7 rule) states that for a normal distribution: Approximately 68% of data falls within 1 standard deviation of
Advanced Combination Calculator (nCr) How to Use: Enter the total number of items to choose from (n) in the first field. This must be a non-negative integer. Enter the number
