Random Samples and Hypothesis Testing
Lecture 4
1/21/2016
Sampling distribution of Y when Y is Bernoulli,
p = 0.78:
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Same example: sampling distribution of
Copyright © 2011 Pearson Addison-Wesley. All rights reserved.
Y  E(Y )
var(Y )
:
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What is the p-value? The probability that
you could have drawn Y-bar under the
null hypothesis.
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