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    Confidence interval of average study time

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    Babsie is a public affairs specialist at Park University. A press release issued by Babsie based on some research claims that Park University students study at least as much 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 hours per week. Seventy percent of one hundred randomly selected Park University students surveyed claimed to study more than four hours per week. Should the University retract its previous statement? Explain why or why not. Answer using a 95 percent confidence interval.

    © BrainMass Inc. brainmass.com June 3, 2020, 9:34 pm ad1c9bdddf
    https://brainmass.com/statistics/confidence-interval/confidence-interval-189102

    Solution Summary

    The solution examines if 70% of students surveyed said they study more than 4 hours, if this is the average.The solution is explained and answered using 95% confidence intervals.

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