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Author Question: For the interval estimation of when is assumed known, the proper distribution to use is the_____. ... (Read 90 times)

asd123

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on: Jun 24, 2018
For the interval estimation of  when  is assumed known, the proper distribution to use is the_____.
 a. standard normal distribution
  b. t distribution with n degrees of freedom
  c. t distribution with n  1 degrees of freedom
  d. t distribution with n  2 degrees of freedom

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 she will finish her trip in 80 minutes or less is _____.
 a. .02
  b. .8
  c. .2
  d. 1


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Galvarado142

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

a

Answer to Question 2

b


asd123

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Reply #2 on: Jun 24, 2018
Thank you


Galvarado142

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Reply #3 on: Jun 24, 2018
No problemo


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