Statistics Examples

Find the Probability Using the Mean and Standard Deviation
, ,
Step 1
The z-score converts a non-standard distribution to a standard distribution in order to find the probability of an event.
Step 2
Find the z-score.
Tap for more steps...
Step 2.1
Fill in the known values.
Step 2.2
Simplify the expression.
Tap for more steps...
Step 2.2.1
Simplify the numerator.
Tap for more steps...
Multiply by .
Subtract from .
Step 2.2.2
Divide by .
Step 3
Since , there are no solutions.
No solution
Enter YOUR Problem
Mathway requires javascript and a modern browser.