Let r be a binomial random variable representing the number of successes out of n trials. (a)
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Let r be a binomial random variable representing the number of successes out of n trials.
(a) Explain why the sample space for r consists of the set {0, 1, 2, . . . , n} and why the sum of the probabilities of all the entries in the entire sample space must be 1.
(b) Explain why P(r ≥ 1) = 1 – P (0).
(c) Explain why P(r ≥ 2) = – P (0) – P (1).
(d) Explain why P(r ≥ m) = 1 – P (0) – P (1) – - - - – P(m – 1) for 1 ≤ m ≤ n?
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a Out of n trials there can be 0 through n successes The sum of the proba...View the full answer
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Related Book For 
Understandable Statistics Concepts And Methods
ISBN: 9781337119917
12th Edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
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