Short Answer
A random sample of 10 university students was surveyed to determine the amount of time spent weekly at the library.The times are: 13,14,5,6,8,10,7,12,15,and 3.If the times are normally distributed with a standard deviation of 5.2 hours,estimate with 90% confidence the mean weekly time at the library by all university students.
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LCL = 6.59...View Answer
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Correct Answer:
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