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Title: A random sample of 10 university students was surveyed to determine the amount of time spent weekly ... Post by: SnowQueen on Jan 26, 2018 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.
Title: A random sample of 10 university students was surveyed to determine the amount of time spent weekly ... Post by: clew0012 on Jan 26, 2018 LCL = 6.59 and UCL = 12.01 hours.
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