A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 95% confident that his estimate is in error by no more than five percentage points? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of computers with new operating systems. n = 384 (Round up to the nearest integer.) b) Assume that a recent survey suggests that about 96% of computers use a new operating system. (Round up to the nearest integer.) c) Does the additional survey information from part (b) have much of an effect on the sample size that is required? A. Yes, using the additional survey information from part (b) dramatically reduces the sample size. B. No, using the additional survey information from part (b) does not change the sample size. www. C. No, using the additional survey information from part (b) only slightly increases the sample size. cripts r D. Yes, using the additional survey information from part (b) dramatically increases the sample size. S degne born at ed) and grad oh scho emberts aid webs PA from GAO0 7010 Click to select your answer(s). MacBook Pro delete Q Search or type URL & %* esc # 4 3 R ~の 00
A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 95% confident that his estimate is in error by no more than five percentage points? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of computers with new operating systems. n = 384 (Round up to the nearest integer.) b) Assume that a recent survey suggests that about 96% of computers use a new operating system. (Round up to the nearest integer.) c) Does the additional survey information from part (b) have much of an effect on the sample size that is required? A. Yes, using the additional survey information from part (b) dramatically reduces the sample size. B. No, using the additional survey information from part (b) does not change the sample size. www. C. No, using the additional survey information from part (b) only slightly increases the sample size. cripts r D. Yes, using the additional survey information from part (b) dramatically increases the sample size. S degne born at ed) and grad oh scho emberts aid webs PA from GAO0 7010 Click to select your answer(s). MacBook Pro delete Q Search or type URL & %* esc # 4 3 R ~の 00
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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How do you answer b and c? (Not graded - solely for acquisition)
Transcribed Image Text:A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers
must be surveyed in order to be 95% confident that his estimate is in error by no more than five percentage points? Complete parts (a) through (c) below.
a) Assume that nothing is known about the percentage of computers with new operating systems.
n = 384
(Round up to the nearest integer.)
b) Assume that a recent survey suggests that about 96% of computers use a new operating system.
(Round up to the nearest integer.)
c) Does the additional survey information from part (b) have much of an effect on the sample size that is required?
A. Yes, using the additional survey information from part (b) dramatically reduces the sample size.
B. No, using the additional survey information from part (b) does not change the sample size.
www.
C. No, using the additional survey information from part (b) only slightly increases the sample size.
cripts r
D. Yes, using the additional survey information from part (b) dramatically increases the sample size.
S degne
born at
ed) and
grad
oh scho
emberts
aid webs
PA from
GAO0
7010
Click to select your answer(s).
MacBook Pro
delete
Q Search or type URL
&
%*
esc
#
4
3
R
~の
00
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