An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes. A random sample of n = 80 C of I students found 30 with brown eyes. We test Ho: p= .45 Ha:p.45 (a) What is the z-statistic for this test? (b) What is the P-value of the test?
An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes. A random sample of n = 80 C of I students found 30 with brown eyes. We test Ho: p= .45 Ha:p.45 (a) What is the z-statistic for this test? (b) What is the P-value of the test?
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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![**Title: Hypothesis Testing Example: Brown Eye Color in Americans**
An article in the Washington Post on March 16, 1993, stated that nearly 45 percent of all Americans have brown eyes. A random sample of \( n = 80 \) University of Illinois students found 30 with brown eyes.
**Hypothesis Test:**
- Null Hypothesis (\( H_0 \)): \( p = 0.45 \)
- Alternative Hypothesis (\( H_a \)): \( p \neq 0.45 \)
**Questions:**
(a) What is the \( z \)-statistic for this test? \[ \boxed{} \]
(b) What is the P-value of the test? \[ \boxed{} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F16b7b9ee-61a6-4d22-bbcb-acc05d2fde78%2F6e11b605-0c2e-4d13-84d8-a2ce1bacc9a7%2Frrop2n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Title: Hypothesis Testing Example: Brown Eye Color in Americans**
An article in the Washington Post on March 16, 1993, stated that nearly 45 percent of all Americans have brown eyes. A random sample of \( n = 80 \) University of Illinois students found 30 with brown eyes.
**Hypothesis Test:**
- Null Hypothesis (\( H_0 \)): \( p = 0.45 \)
- Alternative Hypothesis (\( H_a \)): \( p \neq 0.45 \)
**Questions:**
(a) What is the \( z \)-statistic for this test? \[ \boxed{} \]
(b) What is the P-value of the test? \[ \boxed{} \]
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