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Author Question: If an interval estimate is said to be constructed at the 90 confidence level, the confidence ... (Read 122 times)

Zulu123

  • Hero Member
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  • Posts: 525
on: Jun 24, 2018
If an interval estimate is said to be constructed at the 90 confidence level, the confidence coefficient would be _____.
 a. .1
  b. .95
  c. .9
  d. .05

Question 2

Consider the continuous random variable x, which has a uniform distribution over the interval from 20 to 28 . The variance of x is approximately _____.
 a. 2.309
  b. 5.333
  c. 32
  d. .667


miss_1456@hotmail.com

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  • Posts: 289
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

b


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