Data on investments in the high-tech industry by venture capitalists are compiled by Venture One Corporation and published in America's Network Telecom Investor Supplement. A random sample of 18 venture capital investments in the fiber optics business sector yielded the following data, in millions of dollars.

a. Determine a 95% confidence interval for the mean amount, μ, of all venture-capital investments in the fiber optics business sector. Assume that the population standard deviation is $2.04 million. (Note: The sum of the data is $113.97 million.)
b. Interpret your answer from part (a).

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5.60 6.27 5.96 10.51 2.04 5.48 5.74 5.58 4.13 8.63 5.95 6.67 4.21 7.71 9.2 4.98 8.64 6.66