A poll showed the approval rating to be 0.45 (45%). A second poll based on 2000 randomly selected voters showed that 886 approved of the job the president was doing. Do the results of the second poll indicate that the proportion of voters who approve of the job the president is doing is significantly lower than the original level? Explain. Assume the alpha = 0.05 level of significance. Determine the P-value for this hypothesis test. P-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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b) A poll showed the approval rating to be 0.45 (45%). A second poll based on 2000 randomly selected voters showed that 886 approved of the job the president was doing. Do the results of the second poll indicate that the proportion of voters who approve of the job the president is doing is significantly lower than the original level? Explain. Assume the alpha = 0.05 level of significance. Determine the P-value for this hypothesis test. P-value =
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