Use the given confidence interval to find the margin of error and the sample mean.(14.3,22.1)The sample mean is (Type an integer or a decimal.)tsbrary2:19 PIへ回后Fress58°F12/1/20O Eipe here to search1005/17PrtScInsertDeleteF10F11F12F7F8F9F2F5F6&BackspaceNumLock67Y.UP* 00DT5

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Answered: Use the given confidence interval to…

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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Sam computed a 95% confidence interval for mean from a specific random sample. His confidence interval was 10.1< mean< 12.2. He caims that the probability that mean is in this interval 0.95. What os wrong with his claim?
The confidence interval for a population mean is (7.43, 7.59). What are the sample mean and the margin of error? Margin of Error = Give your answers as decimals, to two places.
From a sample of 37 graduate students, the mean number of months of work experience prior to entering an MBA program was 36.63. The national standard deviation is known to be 19 months. What is a 90% confidence interval for the population mean? A 90% confidence interval for the population mean is 10 (Use ascending order. Round to two decimal places as needed.) ...
Abe and Betty want to estimate the mean of a population with known standard deviation o. Abe takes 50 samples whereas Betty takes 80 samples. Which of the following statements are correct? (A) If both Abe and Betty use confidence intervals of the same width, then the confidence level of Abe's interval is smaller than that of Betty's (B) If both Abe and Betty use confidence intervals of the same width, then the confidence level of Abe's interval is larger than of Betty's (C) If Abe and Betty construct confidence intervals with the same confidence level, then the width of Abe's interval is smaller than that of Betty's (D) If Abe and Betty construct confidence intervals with the same confidence level then the width of Abe's interval is larger than that of Betty's (B) and (C). (A) and (D) (B) and (D) (A) and (C)
Suppose the population standard deviation is = 5, an SRS of n = 100 is obtained, and the confidence level is chosen to be 99.5%. The margin of error for estimating a mean is given by: a. 1.576. b. 1.165. c. 1.404. d. 1.223.
Please help with 1 a,b,c,d,e, and f.
A researcher wants to make a 95% confidence interval for the population mean. She wants the maximum error of estimate to be within 4.8 of the population mean. The population standard deviation is 18.65. What would be the sample size the yield a maximum error of estimate within 4.8 of the population mean?

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Use the given confidence interval to find the margin of error and the sample mean. (14.3,22.1) ..... The sample mean is (Type an integer or a decimal.)