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Home Q & A Board Science-Related Homework Help Mathematics
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Skoochy Skoochy
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6 years ago
A sample of 200 elements from a population with a known standard deviation is selected. For an interval estimation of , the proper distribution to use is the
 a. normal distribution.
  b. t distribution with 200 degrees of freedom.
  c. t distribution with 201 degrees of freedom.
  d. t distribution with 199 degrees of freedom.
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derrickpate22derrickpate22
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6 years ago
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Skoochy Author
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6 years ago
this is exactly what I needed
zbmallo3
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Yesterday
Thanks for your help!!
vernonb
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2 hours ago
You make an excellent tutor!
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