Random variables
Combining random variables
Explore the art of combining random variables, mastering essential techniques to predict outcomes, measure variability, and enhance problem-solving skills through interactive math challenges.
200+ videos and assessments
Standards aligned
Vetted by experts
VIDEOS
Mean of sum and difference of random variables
Khan Academy
•9th - 12th Grade
•10 Qs
Intuition for why independence matters for variance of sum
Khan Academy
•10th - 12th Grade
•10 Qs
Variance of sum and difference of random variables
Khan Academy
•10th - 12th Grade
•10 Qs
Example: Analyzing distribution of sum of two normally distributed random variables
Khan Academy
•9th - 12th Grade
•10 Qs
Example: Analyzing the difference in distributions
Khan Academy
•10th - 12th Grade
•10 Qs
Deriving the variance of the difference of random variables
Khan Academy
•10th - 13th Grade
•10 Qs
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