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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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LRotundo LRotundo
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6 years ago
A random sample of size 15 taken from a normally distributed population revealed a sample mean of 75 and a sample variance of 25 . The upper limit of a 95 confidence interval for the population mean would equal:
 a. 77.769.
  b. 72.231.
  c. 72.727.
  d. 77.273.
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Bflint101Bflint101
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6 years ago
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LRotundo Author
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6 years ago
Thanks
gma_of_7
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Yesterday
Thank you, thank you, thank you!
Gamiung3657
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2 hours ago
Good timing, thanks!
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