You are testing the hypothesis that the population mean vehicle speed on a freeway is greater than 80 mph. The null and alternative hypothesis[==
You are testing the hypothesis that the population mean vehicle speed on a freeway is greater than 80 mph. The null and alternative hypothesis[==
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
Related questions
Question
| You are testing the hypothesis that the population mean vehicle speed on a freeway is greater than 80 mph. The null and alternative hypothesis[== |
Transcribed Image Text:Use the binary data in worksheet labled DATA22 to answer the next two questions.
You are testing the hypothesis that the population proportion is less than 0.60. You select a random of sample.
This test is,
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an upper-tail test.
an upper-tail test.
a lower-tail test.
|TS| = 1.72
|TS| = 1.62
|TS| = 1.53
|TS| = 1.44
a
The test statistic is:
The test statistic is:
The test statistic is:
d
a lower-tail test.
The test statistic is:
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The p-value for the test is.
0.1009 Reject Ho at a = 0.05; do not reject at a = 0.10.
Do not reject Ho at a = 0.05; reject at a = 0.10.
0.0394 Reject Ho at a = 0.10; reject at a= 0.05.
0.0246 Reject Ho at a = 0.05, but do not reject at a = 0.01.
a
0.0631
d
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HW6
DATA22
DATA24
DATA34
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