Question
Use the given degree of confidence and sample data to construct a confidence interval for the population mean . Assume that the population has a
Use the given degree of confidence and sample data to construct a confidence interval for the population mean . Assume that the population has a normal distribution. Show your work.
n = 30, x = 89.3, s = 18.9, 90 percent
A) (79.79, 98.81)
B) (82.24, 96.36)
C) (83.47, 95.13)
D) (83.44, 95.16)
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Statistics For Engineers And Scientists
Authors: William Navidi
3rd Edition
73376345, 978-0077417581, 77417585, 73376337, 978-0073376332
