At the 0.02 level of significance, can we conclude that there is a larger proportion of NDPS in favor of lowering the standards? (T1SA4B)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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4

A nationwide sample of influential Liberal and NDPS were asked as part of a comprehensive survey
whether they favored lowering environmental standards so that high-sulphur coal could be burned
in coal-fired power plants. The results were:
Liberals
NDP
Number
Sampled
1000
800
Number in
200
Favor
200
At the 0.02 level of significance, can we conclude that there is a larger proportion of NDPS in favor
of lowering the standards? (T1SA4B)
Place the value of your test statistic in the Answer box.
Transcribed Image Text:A nationwide sample of influential Liberal and NDPS were asked as part of a comprehensive survey whether they favored lowering environmental standards so that high-sulphur coal could be burned in coal-fired power plants. The results were: Liberals NDP Number Sampled 1000 800 Number in 200 Favor 200 At the 0.02 level of significance, can we conclude that there is a larger proportion of NDPS in favor of lowering the standards? (T1SA4B) Place the value of your test statistic in the Answer box.
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