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Citizens of a country were asked if they thought unemployment would increase, and 46% thought that it would increase. Later, they were asked again. At that time 268 out of 637 said that they thought unemployment would increase. At the 5% level, is there enough evidence to show that the proportion of citizens who believe unemployment would increase is less than the proportion who felt it would increase in the earlier survey? State the hypotheses. Ho: P Ho: P 46 46 Calculate the test statistic. Round to four decimal places. p= Calculate the standardized test statistic. Round to three decimal places. Z= Find the p-value. Round to four decimal places. p-value=

Citizens of a country were asked if they thought unemployment would increase, and 46% thought that it would increase. Later, they were asked again. At that time 268 out of 637 said that they thought unemployment would increase. At the 5% level, is there enough evidence to show that the proportion of citizens who believe unemployment would increase is less than the proportion who felt it would increase in the earlier survey? State the hypotheses. Ho: P Ho: P 46 46 Calculate the test statistic. Round to four decimal places. p= Calculate the standardized test statistic. Round to three decimal places. Z= Find the p-value. Round to four decimal places. p-value=

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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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Citizens of a country were asked if they thought unemployment would increase, and 46% thought that it would increase. Later, they were asked again. At that time 268 out of 637 said that they thought unemployment would increase. At the 5% level, is there enough evidence to show that the proportion of citizens who believe unemployment would increase is less than the proportion who felt it would increase in the earlier survey? State the hypotheses. Ho: P .46 Ho: P .46 Calculate the test statistic. Round to four decimal places. p= Calculate the standardized test statistic. Round to three decimal places. Z= Find the p-value. Round to four decimal places. p-value =
Transcribed Image Text:Citizens of a country were asked if they thought unemployment would increase, and 46% thought that it would increase. Later, they were asked again. At that time 268 out of 637 said that they thought unemployment would increase. At the 5% level, is there enough evidence to show that the proportion of citizens who believe unemployment would increase is less than the proportion who felt it would increase in the earlier survey? State the hypotheses. Ho: P .46 Ho: P .46 Calculate the test statistic. Round to four decimal places. p= Calculate the standardized test statistic. Round to three decimal places. Z= Find the p-value. Round to four decimal places. p-value =
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