Statistics Examples

$μ = 94$ , $σ = 3$ , $x = 98$

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.

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Step 2.1

Fill in the known values.

$\frac{98 - (94)}{3}$

Step 2.2

Simplify the numerator.

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Step 2.2.1

Multiply $- 1$ by $94$ .

$\frac{98 - 94}{3}$

Step 2.2.2

Subtract $94$ from $98$ .

$\frac{4}{3}$

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