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A corporation randomly selects 150 salespeople 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 salespeople wanted a self-improvement course. The groups are assumed to be independent random samples. Let π 1 a n d π 2 represent the true proportion of workers who would like to attend a self-improvement course in the recent study and past study, respectively.
What is the value of the test statistic on whether the population proportions are different at an α = 0.10?
Using the Chi-square test.
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Find out the probability
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