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 9595% confident that his estimate is in error by no more than fourfour percentage points question marks? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of computers with new operating systems. nequals=nothing (Round up to the nearest integer.) b) Assume that a recent survey suggests that about 9191% of computers use a new operating system. nequals=nothing (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 increases the sample size. B. No, using the additional survey information from part (b) only slightly increases the sample size. C. Yes, using the additional survey information from part (b) dramatically reduces the sample size. D. No, using the additional survey information from part (b) does not change the sample size. Sorry, i know it is not transfering over the best, can you please help me with this question? thank you

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 26PFA

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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

9595%

confident that his estimate is in error by no more than

fourfour

percentage

points question marks?

Complete parts (a) through (c) below.

a) Assume that nothing is known about the percentage of computers with new operating systems.

nequals=nothing

(Round up to the nearest integer.)

b) Assume that a recent survey suggests that about

9191%

of computers use a new operating system.

nequals=nothing

(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?

Yes, using the additional survey information from part (b) dramatically increases the sample size.

No, using the additional survey information from part (b) only slightly increases the sample size.

Yes, using the additional survey information from part (b) dramatically reduces the sample size.

No, using the additional survey information from part (b) does not change the sample size.

Sorry, i know it is not transfering over the best, can you please help me with this question? thank you

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