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| Teaching Since: | May 2017 |
| Last Sign in: | 399 Weeks Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Critical Thinking 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) = 1 - 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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