95 percent confidence interval

Babsie is a public affairs specialist at University. A press release issued by Babsie based on some research claims that Park University students study at least asmuch as the national average for students at four year universities. Across the nation, 73 percent of all students at four year universities study at least four hoursper week. Seventy percent of one hundred randomly selected University students surveyed claimed to study more than four hours per week. Should the University retractits previous statement? Explain why or why not. Answer using a 95 percent confidence interval.


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