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Z Scores and Normal Distributions (Example Problems)
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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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Algebra 2 Final Exam Giant Review
Looking to raise your math score on the ACT and new SAT?
Check out my Huge ACT Math Video Course and my Huge SAT Math Video Course for sale at
For online 1-to-1 tutoring or more information about me see my website at:
* Organized List of My Video Lessons to Help You Raise Your Scores & Pass Your Class. Videos Arranged by Math Subject as well as by Chapter/Topic. (Bookmark the Link Below)
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
Related Videos:
Algebra 2 Final Exam Giant Review
Looking to raise your math score on the ACT and new SAT?
Check out my Huge ACT Math Video Course and my Huge SAT Math Video Course for sale at
For online 1-to-1 tutoring or more information about me see my website at:
* Organized List of My Video Lessons to Help You Raise Your Scores & Pass Your Class. Videos Arranged by Math Subject as well as by Chapter/Topic. (Bookmark the Link Below)
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