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...


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.<br>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 $1.84 million. (Note: The sum of the data is $95.68<br>million.)<br>Click here to view the investment data.<br>Click here to view page 1 of the table of areas under the standard normal curve.<br>Click here to view page 2 of the table of areas under the standard normal curve.<br>Areas under the standard normal curve, 2 of 2<br>The 95% confidence interval is from $ million to $<br>million.<br>(Round to two decimal places as needed.)<br>Interpret the 95% confidence interval. Select all that apply.<br>O A. There is a 95% chance that the mean amount of all venture-capital investments in this business sector is between the interval's bounds.<br>O B. With 95% confidence, the mean amount of all venture-capital investments in this business sector is between the interval's bounds.<br>O C. 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.<br>D. 95% of all amounts of venture-capital investements in this business sector are between the interval's bounds.<br>Investment Data<br>4.77<br>5.49<br>5.53<br>8.84<br>2.03<br>4.32<br>4.47<br>5.15<br>2.85<br>7.38<br>4.71<br>5.84<br>2.89<br>6.51<br>8.07<br>3.82<br>7.34<br>5.67<br>

Extracted 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 $1.84 million. (Note: The sum of the data is $95.68 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. Areas under the standard normal curve, 2 of 2 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. O A. There is a 95% chance that the mean amount of all venture-capital investments in this business sector is between the interval's bounds. O B. With 95% confidence, the mean amount of all venture-capital investments in this business sector is between the interval's bounds. O C. 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. D. 95% of all amounts of venture-capital investements in this business sector are between the interval's bounds. Investment Data 4.77 5.49 5.53 8.84 2.03 4.32 4.47 5.15 2.85 7.38 4.71 5.84 2.89 6.51 8.07 3.82 7.34 5.67
Jun 04, 2022
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