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Compute a 95​% confidence interval for the proportion of women with cosmetic dermatitis from using eye shadow who have a nickel allergy.

Compute a 95​% confidence interval for the proportion of women with cosmetic dermatitis from using eye shadow who have a nickel allergy.

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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Pigmented makeup products like mascara and eye shadow may contain metal​ (e.g., nickel) allergens. Is a nickel allergy more likely to occur in women who report cosmetic dermatitis from using eye shadow or​ mascara? In a sample of
126
women with cosmetic dermatitis from using eye​ shadow,
11
were diagnosed with a nickel allergy. In a sample of
266
women with cosmetic dermatitis from using​ mascara,
26
were diagnosed with a nickel allergy. Use this information to complete parts a through c below.
 
 
 

Question content area bottom

Part 1
a. Compute a
95​%
confidence interval for the proportion of women with cosmetic dermatitis from using eye shadow who have a nickel allergy.
 
The
95​%
confidence interval for eye shadow is
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