Professor Li is running for dog catcher. To win, she'll need at least 51% of the vote, or there will need to be a run-off. Her campaign manager did a survey and found that 210 of the 400 voters said they'd vote for her. While she is the underdog, she is sure she will win. Devise a hypothesis test where a = .05 a) State the Null and Alternate Hypothesis. b) Which test statistic does the data call for (which distribution)? Explain why you chose that distribution. c) State Decision Rule and Critical Value.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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2) Professor Li is running for dog catcher. To win, she'll need at least 51% of the vote, or
there will need to be a run-off. Her campaign manager did a survey and found that 210 of
the 400 voters said they'd vote for her. While she is the underdog, she is sure she will
win. Devise a hypothesis test where a = .05
a) State the Null and Alternate Hypothesis.
b) Which test statistic does the data call for (which distribution)? Explain why you chose
that distribution.
c) State Decision Rule and Critical Value.
d) Compute the Test Statistic and p value.
e) What is your decision concerning Null?
Transcribed Image Text:2) Professor Li is running for dog catcher. To win, she'll need at least 51% of the vote, or there will need to be a run-off. Her campaign manager did a survey and found that 210 of the 400 voters said they'd vote for her. While she is the underdog, she is sure she will win. Devise a hypothesis test where a = .05 a) State the Null and Alternate Hypothesis. b) Which test statistic does the data call for (which distribution)? Explain why you chose that distribution. c) State Decision Rule and Critical Value. d) Compute the Test Statistic and p value. e) What is your decision concerning Null?
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