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zns889 zns889
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6 years ago
A simple random sample of 43 elements has been selected from a population of size 800 . The sample mean is 500, and the sample standard deviation is 60 . An approximate 95 confidence interval for the population mean is
 a. 482.2 to 517.8
  b. 440.0 to 560.0
  c. 500.0 to 560.0
  d. 440.0 to 500.0
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YatesmYatesm
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6 years ago
This helped my grade so much Perfect
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This site is awesome
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Good timing, thanks!
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