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In recent years, approximately 55% of eligible voters take the time to vote in presidential elections. A poll based on a random sample of 200 eligible voters finds that 128 plan to vote in the next presidential election.    Does this data provide convincing evidence at the ?α = 0.05 level that the proportion of eligible voters who will take time to vote in the next presidential election differs from 0.55?

In recent years, approximately 55% of eligible voters take the time to vote in presidential elections. A poll based on a random sample of 200 eligible voters finds that 128 plan to vote in the next presidential election.    Does this data provide convincing evidence at the ?α = 0.05 level that the proportion of eligible voters who will take time to vote in the next presidential election differs from 0.55?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In recent years, approximately 55% of eligible voters take the time to vote in presidential elections. A poll based on a random sample of 200 eligible voters finds that 128 plan to vote in the next presidential election. 

 

Does this data provide convincing evidence at the ?α = 0.05 level that the proportion of eligible voters who will take time to vote in the next presidential election differs from 0.55?

True Statements False Statements Answer Bank Name of test: Two-sample z test for pi – P2 The Large Counts condition is not met. n (1 – po) = 72 > 10 The random condition is not met. Name of test: One-sample z test for p про 128 > 10 npo = 110 > 10 This is a random sample of 200 eligible voters. n (1 – po) = 90 > 10 The Large Counts condition is met.
Transcribed Image Text:True Statements False Statements Answer Bank Name of test: Two-sample z test for pi – P2 The Large Counts condition is not met. n (1 – po) = 72 > 10 The random condition is not met. Name of test: One-sample z test for p про 128 > 10 npo = 110 > 10 This is a random sample of 200 eligible voters. n (1 – po) = 90 > 10 The Large Counts condition is met.
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