Random variables | AP Statistics | Khan Academy
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25 learners
What you'll learn
This course includes
- 3 hours of video
- Certificate of completion
- Access on mobile and TV
Course content
1 modules • 25 lessons • 3 hours of video
Random variables | AP Statistics | Khan Academy
25 lessons
• 2.3 hours
Random variables | AP Statistics | Khan Academy
25 lessons
• 2.3 hours
- Variance and standard deviation of a discrete random variable | AP Statistics | Khan Academy 06:26
- Probabilities from density curves | Random variables | AP Statistics | Khan Academy 04:53
- Variance of sum and difference of random variables | Random variables | AP Statistics | Khan Academy 08:07
- Cumulative geometric probability (greater than a value) | AP Statistics | Khan Academy 05:03
- Proof of expected value of geometric random variable | AP Statistics | Khan Academy 07:19
- Recognizing binomial variables | Random variables | AP Statistics | Khan Academy 06:42
- Geometric random variables introduction | Random variables | AP Statistics | Khan Academy 06:15
- Binompdf and binomcdf functions | Random variables | AP Statistics | Khan Academy 05:27
- TI-84 geometpdf and geometcdf functions | Random variables | AP Statistics | Khan Academy 05:48
- Mean of sum and difference of random variables | Random variables | AP Statistics | Khan Academy 03:22
- Intuition for why independence matters for variance of sum | AP Statistics | Khan Academy 04:23
- Example: Analyzing distribution of sum of two normally distributed random variables | Khan Academy 05:51
- Example: Analyzing the difference in distributions | Random variables | AP Statistics | Khan Academy 09:45
- Probability with discrete random variable example | Random variables | AP Statistics | Khan Academy 03:50
- 10% Rule of assuming "independence" between trials | Random variables | AP Statistics | Khan Academy 06:43
- Expected value of a binomial variable | Random variables | AP Statistics | Khan Academy 06:33
- Impact of transforming (scaling and shifting) random variables | AP Statistics | Khan Academy 06:26
- Finding the mean and standard deviation of a binomial random variable | AP Statistics | Khan Academy 05:02
- Probability for a geometric random variable | Random variables | AP Statistics | Khan Academy 02:51
- Example: Transforming a discrete random variable | Random variables | AP Statistics | Khan Academy 04:10
- Cumulative geometric probability (less than a value) | AP Statistics | Khan Academy 04:06
- Mean (expected value) of a discrete random variable | AP Statistics | Khan Academy 04:32
- Valid discrete probability distribution examples | Random variables | AP Statistics | Khan Academy 04:00
- Variance of a binomial variable | Random variables | AP Statistics | Khan Academy 06:51
- Binomial variables | Random variables | AP Statistics | Khan Academy 07:31
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