Question

What does the symbol $z_{\alpha }$signify?

Short answer

The symbol $z_{\alpha }$corresponds to the $z-$score.

Step-by-step solution

Given Information

To clarify the meaning of the symbol$z_{\alpha }.$

Explanation

Imagine the symbol $z_{\alpha }$,

Under the standard normal curve, the z-score is denoted by the symbol $z_{\alpha }$, which has the area $\alpha$to its right as well.

Above is a diagram showing the area under the curve on the right side.