d. Make a decision on the null hypothesis.e. Make a decision on the claim of the researcher. The percentage of physicians who are women is 27.9%. Ina survey of physicians employed by a large universityhealth system, 60 of 142 randomly selected physicianswere women. Is there sufficient evidence at the 0.05 levelof significance to conclude that the proportion of womenphysicians at the university health system exceeds 27.9%?

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d. Make a decision on the null hypothesis. e. Make a decision on the claim of the researcher.

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

d. Make a decision on the null hypothesis.
e. Make a decision on the claim of the researcher.

The percentage of physicians who are women is 27.9%. In
a survey of physicians employed by a large university
health system, 60 of 142 randomly selected physicians
were women. Is there sufficient evidence at the 0.05 level
of significance to conclude that the proportion of women
physicians at the university health system exceeds 27.9%?

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