#11

11. Data on investments in the high-tech industry published in America's Network Telecom Investor. A random sample of 18 venture-capital investments in the fiber optics business sector yielded the following date, in millions of dollars 5.06 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 9.21 4.98 8.64 6.66 Of all venture capital investments in the fiber optics business sector Determine and interpret a 95% confidence interval for the mean amount u. Assume that population standard deviation is $2.04 million. (Note: the sum of that data is 113.97 million)