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2.69 Question A random sample of 10 venture capital investments in the fiber optica business sector...
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, mu, of all venture-capital investments in the fiber optics business sector. Assume that the population standard deviation is $2.43 million. (Note: The sum of the data is $62.59 million.) The confidence interval for mu is from $ _____million to $______million. (Round to two decimal places as needed.)
A random sample of 10 venture capital investments in the fiber optics business sector yielded the...
A random sample of 10 venture capital investments in the fiber optics business sector yielded the following data, in millions of dollars. Assume that the population standard deviation is $2.02 million. Complete parts (a) through (d) below. (Note: The sum of the data is $57.42 million.) 5.19 2.76 2.31 9.55 10.03 3.42 5.63 5.44 5,48 7.61 a. Find a 99% confidence interval for the mean amount, , of all venture capital investments in the fiber optics business sector. The confidence...
A random sample of 18 venture capital investments in the fiber optics business sector yielded a sample mean of $6.33 million.
A random sample of 18 venture capital investments in the fiber optics business sector yielded a sample mean of $6.33 million. What is the critical z-score value, zc, for an 80% confidence interval? Provide a screenshot of your answer.Use your answer in (1.) to determine the margin of error for an 80% confidence interval for the mean amount of all venture-capital investments in the fiber optics business sector. Assume that the population is normally distributed and the population standard deviation is...
2. Data on investment in the high-tech industry by venture capitalists are compiled by Venture One...
2. Data on investment 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 n = 18 venture capital investments in the fiber optics business sector had the sample mean z = 6.33 and standard deviation s = 2.04 (in millions of dollars). Construct and interpret a 95% confidence interval for the mean amount u of all venture capital investments in the fiber optics business...
Question 2 (4 points) Saving... Data on investments in the high-tech industry are compiled by VentureOne...
Question 2 (4 points) Saving... Data on investments in the high-tech industry are compiled by VentureOne Corp. and published by American's Network Telecom Investor Supplement. A random sample of 18 venture capital investments in fiber optics yielded the following data, in millions of dollars. 5.6 6.26 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 Determine a 99% confidence interval for the mean amount of all venture capital investments in fibre optics. Assume...
c. Draw a graph to display both confidence intervals. smaller O A larger B. 96% CI...
c. Draw a graph to display both confidence intervals. smaller O A larger B. 96% CI for 99% CI for 99% CI for 95% CI for 7.5 5.5 O c. Q OD. 96% CI for 95% CI for 99% CI for 99% CI for 7.5 5.5 d. Which confidence interval yields a more accurate estimate of u? Explain your answer. The 95% confidence interval is a more accurate estimate, because it is narrower than the 99% confidence interval. A random...
A random sample of 10 venture capital investments in the fiber optics business sector yielded the following data, in millions of dollars. Assume that the population standard deviation is $2.02 million. Complete parts (a) through (d) below. (Note: The sum of the data is $57.42 million.) 5.19 2.76 2.31 9.55 10.03 3.42 5.63 5.44 5,48 7.61 a. Find a 99% confidence interval for the mean amount, , of all venture capital investments in the fiber optics business sector. The confidence...
2. Data on investment 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 n = 18 venture capital investments in the fiber optics business sector had the sample mean z = 6.33 and standard deviation s = 2.04 (in millions of dollars). Construct and interpret a 95% confidence interval for the mean amount u of all venture capital investments in the fiber optics business...
Question 2 (4 points) Saving... Data on investments in the high-tech industry are compiled by VentureOne Corp. and published by American's Network Telecom Investor Supplement. A random sample of 18 venture capital investments in fiber optics yielded the following data, in millions of dollars. 5.6 6.26 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 Determine a 99% confidence interval for the mean amount of all venture capital investments in fibre optics. Assume...
c. Draw a graph to display both confidence intervals. smaller O A larger B. 96% CI for 99% CI for 99% CI for 95% CI for 7.5 5.5 O c. Q OD. 96% CI for 95% CI for 99% CI for 99% CI for 7.5 5.5 d. Which confidence interval yields a more accurate estimate of u? Explain your answer. The 95% confidence interval is a more accurate estimate, because it is narrower than the 99% confidence interval. A random...
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