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CHALLENGE ACTIVITY 6.3.1: Hypothesis test for a population proportion. 371004 166841 2 qx3zqy7 Start A software company is interested in improving customer satisfaction rate from

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CHALLENGE ACTIVITY 6.3.1: Hypothesis test for a population proportion. 371004 166841 2 qx3zqy7 Start A software company is interested in improving customer satisfaction rate from the 56% currently claimed. The company sponsored a survey of 131 customers and found that 84 customers were satisfied. What is the test statistic z? Ex: 2.22

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