![from standard normal table from standard normal table](https://cdn.wallstreetmojo.com/wp-content/uploads/2019/04/Z-–-Score.png)
The second decimal is given in the top row. Probability distributions including the normal distribution, t distribution, F distribution, Chi. Note that for z = 1, 2, 3, one obtains (after multiplying by 2 to account for the interval) the results f( z) = 0.6827, 0.9545, 0.9974, to the first decimal is given in the left column. Standard Normal Cumulative Probability Table z 0 Cumulative probabilities for NEGATIVE z-values are shown in the following table: z. Statistics tables including the standard normal table / z table, t table, F table, Chi-square table. Amazon.in - Buy Standard Normal Distribution Tables: Highest Precision Available in Print to Date in Divisions of 0.001 Sigma Correct to 10 Decimal Places. If X is a random variable from a normal distribution with mean μ and standard deviation σ, its Z-score may be calculated from X by subtracting μ and dividing by the standard deviation: