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In a study of govemment 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. n-D (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. n- (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 Yos, 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 the additional survey information from part (b) only slightly reduces the sample size

In a study of govemment 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. n-D (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. n- (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 Yos, 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 the additional survey information from part (b) only slightly reduces the sample size

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
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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 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 the additional survey information from part (b) only slightly reduces the sample size. Click to select your answer(s) 10:41 DELL esc Ce AV %23 24 % & 7\ e y u
Transcribed Image Text: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 the additional survey information from part (b) only slightly reduces the sample size. Click to select your answer(s) 10:41 DELL esc Ce AV %23 24 % & 7\ e y u
Expert Solution
Step 1

Solution:

a.

From the given information, confidence level is 0.90 and E=0.04.

 

 

Step 2

Statistics homework question answer, step 2, image 1

Since the proportion is not given 0.5 should be taken.

Then,

Statistics homework question answer, step 2, image 2

Thus, n=423.

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