has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 80% confidence; n = 20, s = 0.23 mg. Click the icon to view the table of Chi-Square critical values. df = 19 (Type a whole number.) x² = 11.651 (Round to three decimal places as needed.) x² = = 27.204 (Round to three decimal places as needed.) o The confidence interval estimate of σ is 0.04 mg
has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 80% confidence; n = 20, s = 0.23 mg. Click the icon to view the table of Chi-Square critical values. df = 19 (Type a whole number.) x² = 11.651 (Round to three decimal places as needed.) x² = = 27.204 (Round to three decimal places as needed.) o The confidence interval estimate of σ is 0.04 mg
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
7.20
![R'
Use the given information to find the number of degrees of freedom, the critical values x2 and x²,
and the confidence interval estimate of o. 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 = 20, s = 0.23 mg.
Click the icon to view the table of Chi-Square critical values.
df = 19 (Type a whole number.)
x²
= 11.651 (Round to three decimal places as needed.)
XR =
= 27.204 (Round to three decimal places as needed.)
The confidence interval estimate of o is 0.04 mg<o< 0.09 mg.
(Round to two decimal places as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6b463452-b960-4b00-bce0-3a69d9f467e2%2Fe684231e-041f-4630-a6a9-9ee942d077b1%2Flrhg36g_processed.png&w=3840&q=75)
Transcribed Image Text:R'
Use the given information to find the number of degrees of freedom, the critical values x2 and x²,
and the confidence interval estimate of o. 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 = 20, s = 0.23 mg.
Click the icon to view the table of Chi-Square critical values.
df = 19 (Type a whole number.)
x²
= 11.651 (Round to three decimal places as needed.)
XR =
= 27.204 (Round to three decimal places as needed.)
The confidence interval estimate of o is 0.04 mg<o< 0.09 mg.
(Round to two decimal places as needed.)
Expert Solution
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Step 1: Given Information:
It is given that
Sample std. deviation, s = 0.23
Sample size, n = 20
Confidence level = 80%
Step by step
Solved in 3 steps with 1 images
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