Data on investments in the high-tech industry by venture capitalists are compiled by a corporation. A random sample of 18 venture-capital investments in a certain business sector yielded the accompanying data, in millions of dollars. Determine and interpret a 95% confidence interval for the mean amount, u, of all venture-capital investments in this business sector. Assume that the population standard deviation is $1.82 million. (Note: The sum of the data is $117.31 million.) Click here to view the investment data. Click here to view page 1 of the table areas under the standard normal curve. Click here to view page 2 of the table f areas under the standard normal curve. The 95% confidence interval is from $ million to $ million. (Round two decimal places as needed.) Interpret the 95% confidence interval. Select all that apply. C A. 95% of all possible random samples of 18 venture-capital investments in this business sector have mean amounts that are between the interval's bounds. B. With 95% confidence, the mean amount of all venture-capital investments in this business sector between the interval's bounds. C. There is a 95% chance that the mean amount of all venture-capital investments in this business sector is between the interval's bounds. D. 95% of all amounts of venture-capital investements in this business sector are between the interval's bounds.
Data on investments in the high-tech industry by venture capitalists are compiled by a corporation. A random sample of 18 venture-capital investments in a certain business sector yielded the accompanying data, in millions of dollars. Determine and interpret a 95% confidence interval for the mean amount, u, of all venture-capital investments in this business sector. Assume that the population standard deviation is $1.82 million. (Note: The sum of the data is $117.31 million.) Click here to view the investment data. Click here to view page 1 of the table areas under the standard normal curve. Click here to view page 2 of the table f areas under the standard normal curve. The 95% confidence interval is from $ million to $ million. (Round two decimal places as needed.) Interpret the 95% confidence interval. Select all that apply. C A. 95% of all possible random samples of 18 venture-capital investments in this business sector have mean amounts that are between the interval's bounds. B. With 95% confidence, the mean amount of all venture-capital investments in this business sector between the interval's bounds. C. There is a 95% chance that the mean amount of all venture-capital investments in this business sector is between the interval's bounds. D. 95% of all amounts of venture-capital investements in this business sector are between the interval's bounds.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:Data on investments in the high-tech industry by venture capitalists are compiled by a corporation. A random sample of 18 venture-capital investments in a certain business sector yielded the accompanying data, in millions of dollars. Determine
and interpret a 95% confidence interval for the mean amount, μ, of all venture-capital investments in this business sector. Assume that the population standard deviation is $1.82 million. (Note: The sum of the data is $117.31 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.
The 95% confidence interval is from $ million to $ million.
(Round to two decimal places as needed.)
Interpret the 95% confidence interval. Select all that apply.
A. 95% of all possible random samples of 18 venture-capital investments in this business sector have mean amounts that are between the interval's bounds.
B. With 95% confidence, the mean amount of all venture-capital investments in this business sector is between the interval's bounds.
C. There is a 95% chance that the mean amount of all venture-capital investments in this business sector is between the interval's bounds.
D. 95% of all amounts of venture-capital investements in this business sector are between the interval's bounds.
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