Author Question: It is known that the population variance equals 484 . With a .95 probability, the sample size that ... (Read 96 times)

awywial

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It is known that the population variance equals 484 . With a .95 probability, the sample size that needs to be taken to estimate the population mean if the desired margin of error is 5 or less is
 a. 25
  b. 74
  c. 189
  d. 75

Question 2

The skewness measure for exponential distributions is _____.
 a. 0
  b. 1
  c. 2
  d. 3



jaymee143

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Answer to Question 1

d

Answer to Question 2

c



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