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4. 14 out of 20 voters in Pennsylvania reported having voted for an independent candidate. It is believed that 50% of all voters vote for an independent candidate. Do half the voters vote for independent candidate? Construct a 95% confidence interval to answer the question

4. 14 out of 20 voters in Pennsylvania reported having voted for an independent candidate. It is believed that 50% of all voters vote for an independent candidate. Do half the voters vote for independent candidate? Construct a 95% confidence interval to answer the question

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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3. In Florida election 46.6% of all eligible voters voted. Did Political Scientists in Florida vote in the same proportion? The data consists of a random sample of 54 political scientists from a particular election in Florida, 20 of those voted. Construct a 95% confidence interval for proportika of all political scientists in Florida who voted to answer the question. 14 out of 20 voters in Pennsylvania reported having voted for an independent candidate. It is believed that 50% of all voters vote for an independent candidate. Do half the voters vote for independent candidate? Construct a 95% confidence interval to answer the question 4. Low birth weight is defined as weighing under 2500g. The table shows the number of low birth weight births in the sample of 3819 births. Some of them were first births, while others were not. It has been found that first births tend to be low birth weights more than the subsequent births. We want to determine whether proportion of low birth weight births is higher among first births than later births. The test statistic is 2.14. 5. Sample of NeufMilleSample.csv a) Write appropriate null and alternate hypotheses b) Find p-value and interpret the results in context. Row Low Not Low Summany 148 First Birth FirstBirth 1357 2137 1503 2310 Later Birth 179 Desktop 42°F Sunny DELL F8 F9 F10 F11 F12 PrtScr Insert F5 F6 F7 411 & 9. T. Y U
Transcribed Image Text:3. In Florida election 46.6% of all eligible voters voted. Did Political Scientists in Florida vote in the same proportion? The data consists of a random sample of 54 political scientists from a particular election in Florida, 20 of those voted. Construct a 95% confidence interval for proportika of all political scientists in Florida who voted to answer the question. 14 out of 20 voters in Pennsylvania reported having voted for an independent candidate. It is believed that 50% of all voters vote for an independent candidate. Do half the voters vote for independent candidate? Construct a 95% confidence interval to answer the question 4. Low birth weight is defined as weighing under 2500g. The table shows the number of low birth weight births in the sample of 3819 births. Some of them were first births, while others were not. It has been found that first births tend to be low birth weights more than the subsequent births. We want to determine whether proportion of low birth weight births is higher among first births than later births. The test statistic is 2.14. 5. Sample of NeufMilleSample.csv a) Write appropriate null and alternate hypotheses b) Find p-value and interpret the results in context. Row Low Not Low Summany 148 First Birth FirstBirth 1357 2137 1503 2310 Later Birth 179 Desktop 42°F Sunny DELL F8 F9 F10 F11 F12 PrtScr Insert F5 F6 F7 411 & 9. T. Y U
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