Maurice Tutor

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About 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 15 Feb 2018 My Price 5.00

Trade and Industry

5                       The Department of Trade and Industry (DTI) conducted a survey to estimate the average number of employees per small and medium-sized enterprises (SME)

in Gauteng. A random sample of 144 SMEs in Gauteng found that the average number was 24.4 employees. Assume that the population standard deviation is

10.8 employees and that the number of employees per SME is normally distributed.

(a)        Estimate, with 95% confidence, the actual average number of employees per SME in Gauteng. Interpret the findings for the DTI. Use the z-table.

(b)        Compute the confidence interval in (a) using Excel’s NORMSINV formula to find the z-value.

(c)         Compute the confidence interval in (a) using Excel’s CONFIDENCE formula.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 15 Feb 2018 09:02 PM My Price 5.00

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