A random sample of students at a college shows that 54 of 200 students had part-time jobs. Which of the follow-ing is the correct formula for a 90% confidence interval for the proportion of all students at this college withpart-time jobs?A) 0.27 { 1.28B10.27210.732200B) 0.27 { 1.28B10.5210.52200C) 0.27 { 1.645B10.27210.732200D) 0.27 { 1.645B10.5210.52200E) 0.27 { 1.96B10.27210.732200
A random sample of students at a college shows that 54 of 200 students had part-time jobs. Which of the follow-ing is the correct formula for a 90% confidence interval for the proportion of all students at this college withpart-time jobs?A) 0.27 { 1.28B10.27210.732200B) 0.27 { 1.28B10.5210.52200C) 0.27 { 1.645B10.27210.732200D) 0.27 { 1.645B10.5210.52200E) 0.27 { 1.96B10.27210.732200
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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Question
A random sample of students at a college shows that 54
of 200 students had part-time jobs. Which of the follow-
ing is the correct formula for a 90% confidence interval
ing is the correct formula for a 90% confidence interval
for the proportion of all students at this college with
part-time jobs?
A) 0.27 { 1.28
B
10.27210.732
200
B) 0.27 { 1.28
B
10.5210.52
200
C) 0.27 { 1.645
B
10.27210.732
200
D) 0.27 { 1.645
B
10.5210.52
200
E) 0.27 { 1.96
B
10.27210.732
200
part-time jobs?
A) 0.27 { 1.28
B
10.27210.732
200
B) 0.27 { 1.28
B
10.5210.52
200
C) 0.27 { 1.645
B
10.27210.732
200
D) 0.27 { 1.645
B
10.5210.52
200
E) 0.27 { 1.96
B
10.27210.732
200
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