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Home Q & A Board Science-Related Homework Help Mathematics
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jprust87 jprust87
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6 years ago
From a population of size 600, a simple random sample of size 58 is selected. The sample mean is 400, and the sample standard deviation is 40. An approximate 95 confidence interval for the population mean is
 a. 395 to 405
  b. 380 to 420
  c. 360 to 440
  d. 390 to 410
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sweetpeajezzysweetpeajezzy
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