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Author Question: The critical value for a one-tail (upper) hypothesis test when the population standard deviation is ... (Read 93 times)

Redwolflake15

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on: Jun 24, 2018
The critical value for a one-tail (upper) hypothesis test when the population standard deviation is known, the sample size is 30 or more, and  = 0.02 is ________.
 
  A) 2.05
  B) 2.33
  C) 2.575
  D) 2.96

Question 2

Assume that the flight time for a United Airlines flight from Philadelphia to Dallas follows the uniform probability distribution between 210 and 250 minutes. What is the standard deviation of this distribution?
 
  A) 5.23
  B) 7.91
  C) 9.60
  D) 11.55


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Jossy

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

A

Answer to Question 2

D


Redwolflake15

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Reply 2 on: Jun 24, 2018
Gracias!

Zebsrer

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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