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A random sample of 10 ​venture-capital investments in the fiber optics business sector yielded the following​...

A random sample of 10 ​venture-capital investments in the fiber optics business sector yielded the following​ data, in millions of dollars. Determine a 95​% confidence interval for the mean​ amount, muμ​, of all​ venture-capital investments in the fiber optics business sector. Assume that the population standard deviation is ​$2.23 million.​ (Note: The sum of the data is ​$70.16​million.)

5.39 6.12 6.76 3.49 5.17 4.94 9.81 8.51 9.98 9.99

The confidence level is from million to million

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orchestra answered 2 years ago
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