Z Scores and Normal Distributions (Example Problems)

Learn how to work with Z Scores, Normal Distributions, and probabilities in this free math video tutorial by Mario's Math Tutoring. We discuss the z-score formula and some examples in this video.

0:24 What is a Standard Normal Distribution
0:45 Breakdown of Percentage of Data Based on Number of Deviations
1:17 Formula for Z-Score and What it Represents
1:50 How to Interpret Standard Distribution Tables
2:43 Example 1 Calculating Probability
3:03 Using Z-Score Formula
3:27 Using Standard Distribution Table to Calculate Probability
4:11 Example 2
4:53 Using Table to Find the Probability Above a Certain Value
5:18 Example 3 Finding the Probability In Between 2 Values

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