Statistics Examples

$μ = 11$ ,

$σ = 2.8$ ,

$x = 19$

Step 1

The z-score converts a non-standard distribution to a standard distribution in order to find the probability of an event.

$\frac{x - μ}{σ}$

Step 2

Find the z-score.

Tap for more steps...

Step 2.1

Fill in the known values.

$\frac{19 - (11)}{2.8}$

Step 2.2

Simplify the expression.

Tap for more steps...

Step 2.2.1

Simplify the numerator.

Tap for more steps...

Step 2.2.1.1

Multiply

$- 1$ by

$11$ .

$\frac{19 - 11}{2.8}$

Step 2.2.1.2

Subtract

$11$ from

$19$ .

$\frac{8}{2.8}$

Step 2.2.2

Divide

$8$ by

$2.8$ .

$2.\overline{857142}$

Enter YOUR Problem