Maurice Tutor

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About Maurice Tutor

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Expertise:
Algebra,Applied Sciences See all
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: 408 Weeks Ago
Questions Answered: 66690
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Education

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

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 04 Dec 2017 My Price 9.00

improvement program,

5.72    A manufacturer turns out a product item that is labeled either “defective” or “not defective.” In order to estimate the proportion defective, a random sam- ple of 100 items is taken from production, and 10 are found to be defective. Following implementation of a quality improvement program, the experiment is con- ducted again. A new sample of 100 is taken, and this time only 6 are found to be defective.

 

x¯1      = $102,300

 

x¯2   = $98,500

 

(a)   Give a 95% confidence interval on p1 − p2, where

 

s1 = $5700               s2 = $3800

(a)   Construct a 99% confidence interval for  μ1  − μ2, the difference in the mean salaries.

(b)   What assumption did you make in (a) about the distribution of annual salaries for the two regions? Is the assumption of normality necessary? Why or why not?

(c)    What assumption did you make about the two vari- ances? Is the assumption of equality of variances reasonable? Explain!

Answers

Maurice Tutor
(5)
Status NEW Posted 04 Dec 2017 09:12 PM My Price 9.00

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