For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. Case studies showed that out of 10,545 convicts who escaped from certain prisons, only 7911 were recaptured. (a) Let p represent the proportion of all escaped convicts who will eventually be recaptured. Find a point estimate for p. (Round your answer to four decimal places.) (b) Find a 99% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit Give a brief statement of the meaning of the confidence interval. O We are 1% confident that the true proportion of recaptured escaped convicts falls above this interval. O We are 99% confident that the true proportion of recaptured escaped convicts falls outside this interval. O We are 1% confident that the true proportion of recaptured escaped convicts falls within this interval. O We are 99% confident that the true proportion of recaptured escaped convicts falls within this interval. (c) Is use of the normal approximation to the binomial justified in this problem? Explain. O No; np > 5 and ng < 5. O Yes; np < 5 and ng < 5. O No; np < 5 and ng > 5. O Yes; np > 5 and ng > 5.
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. Case studies showed that out of 10,545 convicts who escaped from certain prisons, only 7911 were recaptured. (a) Let p represent the proportion of all escaped convicts who will eventually be recaptured. Find a point estimate for p. (Round your answer to four decimal places.) (b) Find a 99% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit Give a brief statement of the meaning of the confidence interval. O We are 1% confident that the true proportion of recaptured escaped convicts falls above this interval. O We are 99% confident that the true proportion of recaptured escaped convicts falls outside this interval. O We are 1% confident that the true proportion of recaptured escaped convicts falls within this interval. O We are 99% confident that the true proportion of recaptured escaped convicts falls within this interval. (c) Is use of the normal approximation to the binomial justified in this problem? Explain. O No; np > 5 and ng < 5. O Yes; np < 5 and ng < 5. O No; np < 5 and ng > 5. O Yes; np > 5 and ng > 5.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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