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`P = f( 0 )`

0.5

The **z Score Probability** calculator computes the area under the Normal Distribution curve to the left of a z SCORE.* Probability & Normal Distribution* This equates to the probability of an event with a lesser z SCORE.

**INSTRUCTIONS:** Enter the following:

- (
**z**) z SCORE

**Area Under the Normal Curve (P):** The calculator returns the area under the Normal Distribution curve to the left of the z SCORE. This is equivalent to the probability of an event with a z SCORE less than the entered value. It ranges from 0.00001 to 0.99999.

The z SCORE Probability function is a prominent feature with other statistical functions in the College Level Statistics Calculator (Stat Calc).

**RELATED CALCULATORS:**

- To compute the z SCORE associated with a probability or area under a Normal Distribution curve,
**CLICK HERE.** - To compute the z SCORE based on the mean(μ) and standard deviation(σ),
**CLICK HERE**. - To compute the z SCORE in a set of observations,
**CLICK HERE**. - To compute the percentile of a single observation (y) in a set (X),
**CLICK HERE**. - To sort a list of numeric values,
**CLICK HERE.** - To create a random subset of the a list of numeric values,
**CLICK HERE**.