Maurice Tutor

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Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 398 Weeks Ago, 6 Days Ago
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 21 Nov 2017 My Price 7.00

confidence interval for the proportion

9.46  In examining a simple random sample of 100 sales invoices from several thousand such invoices for the previ- ous year, a researcher finds that 65 of the invoices involved customers who bought less than $2000 worth of merchan- dise from the company during that year. Construct a 90% confidence interval for the proportion of all sales invoices that were for customers buying less than $2000 worth of merchandise during the year.

9.47   It has been estimated that 48% of U.S. households headed by persons in the 35–44 age group own mutual funds. Assuming this finding to be based on a simple random sample of 1000 households headed by persons in this age group, construct a 95% confidence interval

for 7T 5 the population proportion of such households that own mutual funds. Source: Investment Company Institute, Investment Company Fact Book 2008, p.   72.

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Maurice Tutor
(5)
Status NEW Posted 21 Nov 2017 09:11 PM My Price 7.00

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