A random sample of 18 venture-capital investments in a certain business sector yielded the accompanying data, in millions of dollars. Assuming that the population standard deviation is $1.84 million, a 95% confidence interval for the mean amount, u, of all venture-capital investments in this business sector is from $5.23 million to $6.93 million. Conditions for computing the confidence interval are satisfied. Complete parts (a) through (d) below. (Note: The sum of the data is $109.49 million and the mean is $6.08 million.) Click here to view the investment data, Click here to view page 1 of the table of areas under the standard normal curve, Click here to view page 2 of the table of areas under the standard normal curve. a. Find a 90% confidence interval for µ. The 90% confidence interval is from $ million to $ million. (Round to two decimal places as needed.) - X Investment Data 5.27 6.37 6.15 9.39 2.67 5.31 5.04 5.76 3.57 8.55 5.22 6.54 4.10 7.15 8.73 5.16 8.58 5.93 Print Done
A random sample of 18 venture-capital investments in a certain business sector yielded the accompanying data, in millions of dollars. Assuming that the population standard deviation is $1.84 million, a 95% confidence interval for the mean amount, u, of all venture-capital investments in this business sector is from $5.23 million to $6.93 million. Conditions for computing the confidence interval are satisfied. Complete parts (a) through (d) below. (Note: The sum of the data is $109.49 million and the mean is $6.08 million.) Click here to view the investment data, Click here to view page 1 of the table of areas under the standard normal curve, Click here to view page 2 of the table of areas under the standard normal curve. a. Find a 90% confidence interval for µ. The 90% confidence interval is from $ million to $ million. (Round to two decimal places as needed.) - X Investment Data 5.27 6.37 6.15 9.39 2.67 5.31 5.04 5.76 3.57 8.55 5.22 6.54 4.10 7.15 8.73 5.16 8.58 5.93 Print Done
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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