Points: 0 of 1 Use the given information to find the number of degrees of freedom, the critical values x2 and x and the confidence interval estimate of a. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 80% confidence; n=28, s=0.24 mg. Click the icon to view the table of Chi-Square critical values. df= 27 (Type a whole number.) y? (Round to three decimal places as needed)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Use the given information to find the number of degrees of freedom, the critical values x and x, and the confidence interval estimate of a. It is reasonable to assume that a simple random sample has been selected from a population with a
normal distribution.
Nicotine in menthol cigarettes 80% confidence; n=28, s=0.24 mg.
Click the icon to view the table of Chi-Square critical values.
df = 27 (Type a whole number.)
x-
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(Round to three decimal places as needed.)
Transcribed Image Text:Use the given information to find the number of degrees of freedom, the critical values x and x, and the confidence interval estimate of a. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 80% confidence; n=28, s=0.24 mg. Click the icon to view the table of Chi-Square critical values. df = 27 (Type a whole number.) x- Save (Round to three decimal places as needed.)
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