A corporation randomly selects 150 salespeople and finds thatâ€‹ 66% who have never taken aâ€‹ self-improvement...

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A corporation randomly selects 150 salespeople and finds thatâ€‹66% who have never taken aâ€‹ self-improvement course would like sucha course. The firm did a similar study 10 years ago in whichâ€‹ 60%of a random sample of 160 salespeople wanted aâ€‹ 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 aâ€‹ self-improvement course in the recent study and the pastâ€‹study, respectively.
What is the critical value when performing a â€‹chi-square test onwhether the population proportions are different if alpha a â€‹=0.05?

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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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