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A corporation randomly selects 150 salespeople and finds that​ 66% who have never taken a​ self-improvement...

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Statistics

A corporation randomly selects 150 salespeople and finds that​66% who have never taken a​ self-improvement course would like sucha course. The firm did a similar study 10 years ago in which​ 60%of a random sample of 160 salespeople wanted a​ self-improvementcourse. The groups are assumed to be independent random samples.Let

pi 1Ï€1

and

pi 2Ï€2

represent the true proportion of workers who would like toattend a​ self-improvement course in the recent study and the past​study, respectively.

What is the critical value when performing a ​chi-square test onwhether the population proportions are different if alpha a ​=0.05?

Answer & Explanation Solved by verified expert
3.6 Ratings (559 Votes)
HypothesisHoThe population proportions are same ie P1P2VsH1The population proportions are different ie P1P2We can use Ztest and Chisquare test to testing populationproportion But here you    See Answer
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