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Mathematics, 02.07.2020 20:01 2021andrewkell
Scenario: A corporation randomly selects 150 sales people and finds that 66% who have never taken a self-improvement course would like such a course. The firm did a similar study 10 years ago in which 60% of a random sample of 160 sales people wanted a self-improvement course. The groups are assumed to be independent random samples. Let straight pi subscript 1 space and space straight pi subscript 2 represent the true proportion of workers who would like to attend a self-improvement course in the recent study and the past study respectively. What is the value of the test statistic to use in evaluating the alternative hypothesis that there is a difference in the two population proportions using alpha equals 0.10
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