H0:p=0.41 Ha:p≠0.41 Calculate the test statistic, rounde
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
In a recent Super Bowl, a TV network predicted that 41 % of the audience would express an interest in seeing one of its forthcoming television shows. The network ran commercials for these shows during the Super Bowl. The day after the Super Bowl, and Advertising Group sampled 101 people who saw the commercials and found that 36 of them said they would watch one of the television shows.
Suppose you have the following null and alternative hypotheses for a test you are running:
H0:p=0.41
Ha:p≠0.41
Calculate the test statistic, rounded to 3 decimal places
z=
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