Maurice Tutor

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Teaching Since: May 2017
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 04 Feb 2018 My Price 6.00

PCs in the survey

Suppose a survey of the 32,000 students at a university is planned. The goal of the survey is to estimate the percentage of the students who own PCs. Find the minimum sample size required to make a 95% confidence interval for the population percentage that is at most 4 percentage points wide. The variance of the population is unknown. Ignore the finite population correction factor.

a. In your calculation of the sample size use the percentage of students who own PCs in the survey of the statistics class to estimate the population variance for the university students.

b. Instead of using the percentage from the statistics class sample in your calculation, assume the worst-case scenario — that is, the largest variance possible for the parameter.

Answers

Maurice Tutor
(5)
Status NEW Posted 04 Feb 2018 06:02 PM My Price 6.00

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