In a study of government financial aid for collegestudents, it becomes necessary to estimate thepercentage of full-time college students who earn abachelor's degree in four years or less. Find the samplesize needed to estimate that percentage. Use a 0.03margin of error and use a confidence level of 95%.Complete parts (a) through (c) below.

Given terms, Margin of error, E = 0.03Confidence level, c = 95%

Answered: In a study of government financial aid…

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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In a study of government financial aid for college students, it becomes necessary to estimate the percentage of full-time college students who earn a bachelor's degree in four years or less. Find the sample size needed to estimate that percentage. Use a 0.03 margin of error and use a confidence level of 99%. Complete parts (a) through (c) below. a. Assume that nothing is known about the percentage to be estimated. n = (Round up to the nearest integer.) b. Assume prior studies have shown that about 55% of full-time students earn bachelor's degrees in four years or less. (Round up to the nearest integer.) c. Does the added knowledge in part (b) have much of an effect on the sample size? O A. No, using the additional survey information from part (b) only slightly reduces the sample size. O B. Yes, using the additional survey information from part (b) dramatically reduces the sample size. O C. No, using the additional survey information from part (b) does not change the sample size. D.…
In a study of government financial aid for college students, it becomes necessary to estimate the percentage of full-time college students who earn a bachelor's degree in four years or less. Find the sample size needed to estimate that percentage. Use a 0.05 margin of error and use a confidence level of 99%. Complete parts (a) through (c) below.
find the sample size if you have : margin of error =0.311 confidence level =95% p=0.5
I only need part B
In a study of government financial aid for college students, it becomes necessary to estimate the percentage of full-time college students who earn a bachelor's degree in four years or less. Find the sample size needed to estimate that percentage. Use a 0.02 margin of error and use a confidence level of 95%. Complete parts (a) through (c) below. a. Assume that nothing is known about the percentage to be estimated. (Round up to the nearest integer.) b. Assume prior studies have shown that about 40% of full-time students earn bachelor's degrees in four years or less. (Round up to the nearest integer.) c. Does the added knowledge in part (b) have much of an effect on the sample size? O A. Yes, using the additional survey information from part (b) dramatically reduces the sample size. O B. No, using the additional survey information from part (b) only slightly reduces the sample size. O C. Yes, using the additional survey information from part (b) only slightly increases the sample size. O…
In a study of government financial aid for college students, it becomes necessary to estimate the percentage of full-time college students who eam a bachelor's degree in four years or less Find the sample size needed to estimate that percentage. Use a 0.04 margin of error and use a confidence level of 90%. Complete parts (a) through (c) below. a. Assume that nothing is known about the percentage to be estimated. (Round up to the nearest integer.) b. Assume prior studies have shown that about 55% of full-time students eam bachelor's degrees in four years or less. (Round up to the nearest integer.) c. Does the added knowledge in part (b) have much of an effect on the sample size? OA No, using the additional survey information from part (b) does not change the sample size. OB. Yes, using the additional survey information from part (b) dramatically reduces the sample size. OC Yes, using the additional survey information from part (b) only slightly increases the sample size. OD. No, using…
In a study of government financial aid for college students, it becomes necessary to estimate the percentage of full-time college students who earn a bachelor's degree in four years or less. Find the sample size needed to estimate that percentage. Use a 0.03 margin of error and use a confidence level of 90%. Complete parts (a) through (c) below. a. Assume that nothing is known about the percentage to be estimated. (Round up to the nearest integer.) b. Assume prior studies have shown that about 40% of full-time students earn bachelor's degrees in four years or less. n=D (Round up to the nearest integer.) c. Does the added knowledge in part (b) have much of an effect on the sample size? O A. No, using the additional survey information from part (b) does not change the sample size. O B. Yes, using the additional survey information from part (b) only slightly increases the sample size O C. Yes, using the additional survey information from part (b) dramatically reduces the sample size. O D.…
In a study of government financial aid for college students, it becomes necessary to estimate the percentage of full-time college students who earn a bachelor's degree in four years or less. Find the sample size needed to estimate that percentage. Use a 0.04 margin of error and use a confidence level of 99%. Complete parts (a) through (c) below. a. Assume that nothing is known about the percentage to be estimated. n = (Round up to the nearest integer.) b. Assume prior studies have shown that about 60% of full-time students earn bachelor's degrees in four years or less. n = (Round up to the nearest integer.) c. Does the added knowledge in part (b) have much of an effect on the sample size? O A. No, using the additional survey information from part (b) only slightly reduces the sample size. B. Yes, using the additional survey information from part (b) only slightly increases the sample size. C. No, using the additional survey information from part (b) does not change the sample size. O…
Use a 0.05 margin of error and use a confidence level of 99%. Complete parts (a) through (c) below.
Find the sample size needed to determine, with a margin of error of one percent, the percentage of Americans who think North Korea is the greatest foreign threat. Use 90% confidence, and assume about 22% of Americans think that North Korea is the greatest threat.

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