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Assuming a population standard deviation of 6 hours what is

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Reference no: EM13584766

Question: A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spent studying per week. Assuming a population standard deviation of 6 hours, what is the required sample size if the error should be less than 1/2 hour with a 95% level of confidence?

a. 554

b. 130

c. 35

d. 393

Reference no: EM13584766

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