Mathematics, 22.11.2019 05:31 andybiersack154

Aprevious study claims that 75% of all students graduate on time. you believe the percentage is lower than that. in a random sample of 200 students, 142 will graduate on time. at the significance level .05, what conclusion do you draw?

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Aprevious study claims that 75% of all students graduate on time. you believe the percentage is lowe...