For Ben Ephson's political poll, n= 15 voters were sampled. We wish to test H, : p= .5 against the alternative, Ha : p< .5. The test statistic is Y, the number of sampled voters favouring Jones. Calculate a if we select RR = {y<2} as the rejection region %3D a. b. Suppose that he will receive 30% of the votes (p=.3). What is the probability B that the sample will erroneously lead us to conclude that H, is true and that Jones is going to win?

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For Ben Ephson's political poll, n=
We wish to test H. : p= .5 against the alternative, Ha : p <.5.
The test statistic is Y, the number of sampled voters favouring
15 voters were sampled.
Jones.
a. Calculate a if we select RR= {y<2} as the rejection region
b. Suppose that he will receive 30% of the votes (p = .3). What
is the probability B that the sample will erroneously lead us to
conclude that H, is true and that Jones is going to win?
Transcribed Image Text:For Ben Ephson's political poll, n= We wish to test H. : p= .5 against the alternative, Ha : p <.5. The test statistic is Y, the number of sampled voters favouring 15 voters were sampled. Jones. a. Calculate a if we select RR= {y<2} as the rejection region b. Suppose that he will receive 30% of the votes (p = .3). What is the probability B that the sample will erroneously lead us to conclude that H, is true and that Jones is going to win?
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