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=84 C of I students found 31 with brown eyes. We test H0: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=84 C of I students found 31 with brown eyes. We test H0:p=.45 Ha:p≠.45 (a) What is the z-statistic for this test? (b) What is the P-value of the test?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

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=84 C of I students found 31 with brown eyes.
We test

H0:p=.45
Ha:p≠.45

(a) What is the z-statistic for this test?

(b) What is the P-value of the test?

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