You are looking at a population and are interested in the proportion p that has a certain characteristic. Unknown to you, this population proportion is p=0.67. You have taken a random sample of size n = 129 from the population and found that the proportion of the sample that has the characteristic is p = 0.74. Your sample is Sample 1 in the table below. (In the table, Sample 1 is written "S1", Sample 2 is written "S2", etc.) (a) Based on Sample 1, graph the 80% and 95% confidence intervals for the population proportion. Use 1.282 for the critical value for the 80% confidence interval, and use 1.960 for the critical value for the 95% confidence interval. (If necessary, consult a list of formulas.) Enter the lower and upper limits on the graphs to show each confidence interval. Write your answers with two decimal places. For the points (and), enter the population proportion, 0.67. 80% confidence interval 0.69 0.79 95% confidence interval 0.66 0.82 H 0.47 Try again 0.65 G 0.84 0.47 0.65 X 5 0.84 Español ? C&A > >
You are looking at a population and are interested in the proportion p that has a certain characteristic. Unknown to you, this population proportion is p=0.67. You have taken a random sample of size n = 129 from the population and found that the proportion of the sample that has the characteristic is p = 0.74. Your sample is Sample 1 in the table below. (In the table, Sample 1 is written "S1", Sample 2 is written "S2", etc.) (a) Based on Sample 1, graph the 80% and 95% confidence intervals for the population proportion. Use 1.282 for the critical value for the 80% confidence interval, and use 1.960 for the critical value for the 95% confidence interval. (If necessary, consult a list of formulas.) Enter the lower and upper limits on the graphs to show each confidence interval. Write your answers with two decimal places. For the points (and), enter the population proportion, 0.67. 80% confidence interval 0.69 0.79 95% confidence interval 0.66 0.82 H 0.47 Try again 0.65 G 0.84 0.47 0.65 X 5 0.84 Español ? C&A > >
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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