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# Normal distribution: Area above or below a point

AP.STATS: VAR‑2 (EU), VAR‑2.B (LO), VAR‑2.B.3 (EK) CCSS.Math: HSS.ID.A.4
You might need: Calculator,Z table

## Problem

A set of magical wand prices are normally distributed with a mean of 50 dollars and a standard deviation of 4 dollars. A blackthorn wand has a price of 45, point, 20 dollars.
What proportion of wand prices are lower than the price of the blackthorn wand?