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 95%. 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 45% 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. O B. 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. O D. No, using the additional survey information from part (b) does not change the sample size.

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 95%. 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 45% 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. O B. 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. O D. No, using the additional survey information from part (b) does not change the sample size.

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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Estimation

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Question

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 95%. 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 45% 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.
O B. Yes, using the additional survey information from part (b) dramatically reduces the sample size.
O c. Yes, using the additional survey information from part (b) only slightly increases the sample size.
O D. No, using the additional survey information from part (b) does not change the sample size.

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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 ear a bachelor's degree in four years or less. Find the sample size needed to estimate that percentage. Use a 0.01 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. n= 6,766 (Round up to the nearest integer.) b. Assume prior studies have shown that about 45% of full-time students earn bachelor's degrees in four years or less. (Round up to the nearest integer.)
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