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7.1.3: Hypothesis test for a population proportion. qx3zqy7 Jump to level 1 A software company is interested in improving customer satisfaction rate from the 64%

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7.1.3: Hypothesis test for a population proportion. qx3zqy7 Jump to level 1 A software company is interested in improving customer satisfaction rate from the 64% currently claimed. The company sponsored a survey of 100 customers and found that 69 customers were satisfied. What is the test statistic z? Ex: 1.23 ~

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