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Home Q & A Board Science-Related Homework Help Mathematics
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alexisblack alexisblack
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6 years ago
The sample size needed to estimate a population mean to within 50 units was found to be 97 . If the population standard deviation was 250, then the confidence level used was
 a. 90
  b. 95
  c. 99
  d. None of these choices.
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GavaaconGavaacon
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#1
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6 years ago
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alexisblack Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
linlinlin
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Yesterday
Smart ... Thanks!
riptide
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2 hours ago
Just got PERFECT on my quiz
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