200 students were asked to randomly pick one of the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. The number 7 was picked by 54 students. d) Calculate a 95% confidence interval for the population proportion. (Round the answer to three decimal places.) to (e) Calculate a 98% confidence interval for the population proportion. (Round the answer to three decimal places.) ___ to ____
200 students were asked to randomly pick one of the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. The number 7 was picked by 54 students. d) Calculate a 95% confidence interval for the population proportion. (Round the answer to three decimal places.) to (e) Calculate a 98% confidence interval for the population proportion. (Round the answer to three decimal places.) ___ to ____
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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200 students were asked to randomly pick one of the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. The number 7 was picked by 54 students.
d) Calculate a 95% confidence interval for the population proportion. (Round the answer to three decimal places.)
to
(e) Calculate a 98% confidence interval for the population proportion. (Round the answer to three decimal places.)
___ to ____
to
(e) Calculate a 98% confidence interval for the population proportion. (Round the answer to three decimal places.)
___ to ____
(f) What do the results of parts (c)-(e) indicate about the effect of confidence level on the width of a confidence interval? (Select all that apply.)
a) As the confidence level is decreased, the width of the interval increases.
b) As the confidence level is increased, the width of the interval increases.
c) As the confidence level is increased, the width of the interval decreases.
d) As the confidence level is decreased, the width of the interval decreases.
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