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This statistics video tutorial provides a basic introduction into standard normal distributions. It explains how to find the Z-score given a value of x as well as the mean and standard deviation. It explains how to determine the probability by finding the area under the curve represented by f(x) - the probability density function using the empirical rule and the Z-tables. This video contains plenty of examples and practice problems.

Probability - Free Formula Sheet:


Here is a list of topics:
0:00 - Introduction into standard normal distributions
6:55 - How To Find The Z-scores Given x
8:37 - How To Calculate x Given The Z Score
10:33 - Calculating Probability Using The Empirical Rule
20:24 - How To Use Z-Scores To Determine The Area Under The Curve
22:44 - How To Use Standard Normal Distribution Z-Tables
24:31 - How To Solve Probability Problems Using Z-Tables
34:15 - How To Find The 90th Percentile
42:43 - How To Calculate The Mean and Standard Deviation of a Random Sample


Introduction to Probability:


Probability Formulas:


Probability Explained:


Probability With Geometry:


Probability of Complementary Events:


Conditional Probability:


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Independent and Dependent Events:


Probability of Mutual Exclusive Events:


Multiplication and Addition Rule:


Compound Probability:


Expected Value:


Probability Tree Diagrams:


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Bayes Theorem:


Probability - Binomial Distribution:


Probability - Geometric Distribution:


Probability - Poisson Distribution:


Continuous Probability Distributions:


Probability Density Functions:


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Probability - Uniform Distributions:


Probability - Exponential Distributions:


Probability - Normal Distributions (Calculus):


Probability - Standard Normal Distributions:


Probability - The Law of Large Numbers:


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Final Exams and Video Playlists:


Full-Length Math & Science Videos:

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