A cigarette manufacturing firm claims that its brand A of the cigarettes outsells its brand B by 8%. If it is found that 42 out of a sample of 200 smokers prefer brand A and 18 out of another random somple of 100 smokers prefer brand B, test whether the 8% difference is a valid claim. (use 5% level of significance.)
A cigarette manufacturing firm claims that its brand A of the cigarettes outsells its brand B by 8%. If it is found that 42 out of a sample of 200 smokers prefer brand A and 18 out of another random somple of 100 smokers prefer brand B, test whether the 8% difference is a valid claim. (use 5% level of significance.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![A cigarette manufacturing firm claims that
its brand A of the cigarettes outsells its
brand B by 8%. If it is found that 42 out of a
sample of 200 smokers prefer brand A and
18 out of another random somple of 100
smokers prefer brand B, test whether the
8% difference is a valid claim. (use 5% level
of significance.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F075b90bc-fbaa-4f9e-8b53-4f5077609fd6%2F1f2b1850-b42c-4ae6-909b-cee0c3625b55%2F1zp5f8k_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A cigarette manufacturing firm claims that
its brand A of the cigarettes outsells its
brand B by 8%. If it is found that 42 out of a
sample of 200 smokers prefer brand A and
18 out of another random somple of 100
smokers prefer brand B, test whether the
8% difference is a valid claim. (use 5% level
of significance.)
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