Concept explainers
Suppose that Y is a binomial random variable based on n trials with success probability p and consider Y* = n – Y.
a Argue that for y* = 0, 1, …, n
b Use the result from part (a) to show that
c The result in part (b) implies that Y* has a binomial distribution based on n trials and “success” probability p* = q = 1 – p. Why is this result “obvious”?
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Chapter 3 Solutions
Mathematical Statistics with Applications
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage