(a) Construct a 95% confidence interval about p if the sample size, n, is 24 Lower bound Upper bound: (Use ascending order. Round to one decimal place as needed.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
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A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x, is found to be 114, and the sample standa
10
(a) Construct a 95% confidence interval about us if the sample size, n, is 24.
(b) Construct a 95% confidence interval about us if the sample size, n, is 13.
(c) Construct a 70% confidence interval about u if the sample size, n, is 24.
(d) Could we have computed the confidence intervals in parts (a)-(c) if the population had not been normally distributed?
Click the icon to view the table of areas under the t-distribution
(a) Construct a 95% confidence interval about us if the sample size, n, is 24.
Lower bound: Upper bound:
(Use ascending order. Round to one decimal place as needed.)
W
Transcribed Image Text:A simple random sample of size n is drawn from a population that is normally distributed. The sample mean, x, is found to be 114, and the sample standa 10 (a) Construct a 95% confidence interval about us if the sample size, n, is 24. (b) Construct a 95% confidence interval about us if the sample size, n, is 13. (c) Construct a 70% confidence interval about u if the sample size, n, is 24. (d) Could we have computed the confidence intervals in parts (a)-(c) if the population had not been normally distributed? Click the icon to view the table of areas under the t-distribution (a) Construct a 95% confidence interval about us if the sample size, n, is 24. Lower bound: Upper bound: (Use ascending order. Round to one decimal place as needed.) W
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