A researcher claims that 45% of U.S. adults think that the IRS is not aggressive enough in pursuing people who cheat on their taxes. You believe the true percentage is more than 45%. To test this, you take a simple random sample of 400 U.S. adults and find that 208 of them say the IRS is not aggressive enough. Test at .05 significance. Round to the fourth Ho: P HA: P OF > How many successes were there? Test Statistic: P-value: .450 0.45✔ OF Did something significant happen? Significance Happened Select the Decision Rule: Reject the Null There is enough evidence to conclude that more than 45% of U.S. adults think that the IRS is not aggressive enough in pursuing people who cheat on their taxes.
A researcher claims that 45% of U.S. adults think that the IRS is not aggressive enough in pursuing people who cheat on their taxes. You believe the true percentage is more than 45%. To test this, you take a simple random sample of 400 U.S. adults and find that 208 of them say the IRS is not aggressive enough. Test at .05 significance. Round to the fourth Ho: P HA: P OF > How many successes were there? Test Statistic: P-value: .450 0.45✔ OF Did something significant happen? Significance Happened Select the Decision Rule: Reject the Null There is enough evidence to conclude that more than 45% of U.S. adults think that the IRS is not aggressive enough in pursuing people who cheat on their taxes.
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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Question
![A researcher claims that 45% of U.S. adults think that the IRS is not aggressive enough in pursuing people who cheat on their taxes. You believe the true percentage is more than 45%. To test this, you take a simple random sample of 400 U.S. adults and find that 208 of them say the IRS is not aggressive enough. Test at 0.05 significance.
**Null Hypothesis (\(H_0\)):** \(p = 0.45\)
**Alternative Hypothesis (\(H_A\)):** \(p > 0.45\)
- How many successes were there? [No value provided]
- Test Statistic: [No value provided]
- P-value: [No value provided]
**Did something significant happen?**
- Significance Happened
**Select the Decision Rule:**
- Reject the Null
**Conclusion:**
- There **is** enough evidence to conclude that more than 45% of U.S. adults think that the IRS is not aggressive enough in pursuing people who cheat on their taxes.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd2995aa7-eb9d-45f3-8f01-89ee9ae70a2c%2Feee74927-a580-403f-aa96-1e341fba04b4%2Fnk0yg3c_processed.png&w=3840&q=75)
Transcribed Image Text:A researcher claims that 45% of U.S. adults think that the IRS is not aggressive enough in pursuing people who cheat on their taxes. You believe the true percentage is more than 45%. To test this, you take a simple random sample of 400 U.S. adults and find that 208 of them say the IRS is not aggressive enough. Test at 0.05 significance.
**Null Hypothesis (\(H_0\)):** \(p = 0.45\)
**Alternative Hypothesis (\(H_A\)):** \(p > 0.45\)
- How many successes were there? [No value provided]
- Test Statistic: [No value provided]
- P-value: [No value provided]
**Did something significant happen?**
- Significance Happened
**Select the Decision Rule:**
- Reject the Null
**Conclusion:**
- There **is** enough evidence to conclude that more than 45% of U.S. adults think that the IRS is not aggressive enough in pursuing people who cheat on their taxes.
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