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AP Statistics
Unit 4 – Probability, Random Variables, and Probability Distributions
Topic 4.11
What is the standard deviation of a binomial random variable representing the number of successes in n independent trials with probability of success p?
Standard deviation = sqrt(n / p)
Standard deviation = sqrt(n - p)
Standard deviation = sqrt(n * p * (1-p))
Standard deviation = sqrt(n + p)
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AP Statistics - 4.11 Parameters for a Binomial Distribution
Key terms
Binomial Random Variable
Independent Trials
Probability of Success
Standard Deviation
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Cram Mode
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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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