QuickHelper

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Teaching Since: May 2017
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  • MBA, PHD
    Phoniex
    Jul-2007 - Jun-2012

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  • Corportae Manager
    ChevronTexaco Corporation
    Feb-2009 - Nov-2016

Category > Accounting Posted 31 Aug 2017 My Price 11.00

stats confidence intervals , statistics homework help

Question description

 

Ice Cream

You wish to estimate with 95% confidence, the population proportion of U.S adults who say that chocolate is their favorite ice cream flavor. Your estimate must be accurate within5% of the population proportion.

  • (a) No preliminary estimate is available. Find the minimum sample size needed.
  • (b) Find the minimum sample size needed. Using a prior study that found that 28% of U.S adults say that chocolate is their favorite ice cream flavor.
  • (c)Compare the results from parts (a) and (b)

Answers

QuickHelper
(10)
Status NEW Posted 31 Aug 2017 06:08 PM My Price 11.00

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