Khan Academy
Khan Academy: Normal Distribution: Area Above or Below a Point
Use a z-table to find the probability of a particular measurement. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Magoosh: Statistics Fundamentals
An online course on the fundamentals of statistics including video lessons in Mean, Median, and Mode; Weighted Averages; Quartiles and Boxplots; Range and Standard Deviation; Normal Distribution; Z-scores; Intro to Inferential...
Other
Fayetteville State University: Z Scores and Probability
Several paragraphs of explanation and graphs are found here to get across the concept of normal scores, z-scores, and the related probability in a simple fashion. This page is part of a collection from the university on basic statistical...
Texas Instruments
Texas Instruments: Numb3 Rs: Choosing Contenders
Based off of the hit television show NUMB3RS, this lesson shows students two different ways to "normalize" scores: by applying a created scalar factor so that all scores have a mean of one, or by using z-scores. Students are walked...
Sophia Learning
Sophia: Practical Applications of the Bell Shaped Curve
Explore the bell-shaped curve and how to calculate a z score. Additional links provided to further knowledge on outliers.
CK-12 Foundation
Ck 12: Statistics: Central Limit Theorem
[Free Registration/Login may be required to access all resource tools.] Introduces students to the Central Limit Theorem. Students will learn about the Central Limit Theorem and calculate a sampling distribution using the mean and...
University of Colorado
University of Colorado: Normal Probabilities Applet #1
This Applet will assist the user in questions which specify a range of raw scores or z-scores and ask for a probability associated with them.
Oswego City School District
Regents Exam Prep Center: Binomial Probability
The mathematics tutorial investigates binomial probability and the normal curve. The lesson consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes a z-score chart.