A standard normal distribution table shows a cumulative probability linked with a particular z score. Table rows are whole number and tenths place of the z score table. Table columns are the hundredths place. The cumulative probability which is generally from minus infinity to the z score is displayed in the cell of the table.
According to the Probability theory, the Normal distribution is basically used to describe real-values that cluster around a single mean value. The graph has a typical 'bell-shape'. That is the values peak at a particular point and return back to the least values.
The Normal distribution is given by the following formula:
where, u (mu) is the Mean
sigma square is the Variance
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