Before the last presidential debates, 50% of registered votes indicated they were planning to vote for the incumbent president. In a recent poll of 1200 registered voters after the debates, 606 indicated they are planning to vote for the incumbent president. The research question is - Has there been a significant increase in the proportion of registered voters who are planning to vote for the incumbent president (level of significance .05)? What is the p-value?

Before the last presidential debates, 50% of registered votes indicated they were planning to vote for the incumbent president. In a recent poll of 1200 registered voters after the debates, 606 indicated they are planning to vote for the incumbent president. The research question is - Has there been a significant increase in the proportion of registered voters who are planning to vote for the incumbent president (level of significance .05)? What is the p-value?

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 7E

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