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Author Question: The z value for a 97.8 confidence interval estimation is _____. a. 2.02 b. 1.96 c. 2.00 d. ... (Read 101 times)

sam.t96

  • Hero Member
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  • Posts: 570
on: Jun 24, 2018
The z value for a 97.8 confidence interval estimation is _____.
 a. 2.02
  b. 1.96
  c. 2.00
  d. 2.29

Question 2

The travel time for a college student traveling between her home and her college is uniformly distributed between 40 and 90 minutes. The probability that her trip will take longer than 60 minutes is _____.
 a. 1
  b. .40
  c. .02
  d. .60


Anton

  • Sr. Member
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  • Posts: 302
Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

d


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