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Author Question: If X is a normal random variable with a standard deviation of 10, then 3X has a standard deviation ... (Read 200 times)

audragclark

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on: Jun 24, 2018
If X is a normal random variable with a standard deviation of 10, then 3X has a standard deviation equal to:
 a. 10 b. 13
  c. 30 d. 90

Question 2

A test with a 0.10 significance level has a larger rejection region than a test with a 0.05 significance level.
 a. True
  b. False
   Indicate whether the statement is true or false


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maaaaaaaaaa

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

c

Answer to Question 2

TRUE


audragclark

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Reply #2 on: Jun 24, 2018
Correct answers!


maaaaaaaaaa

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Reply #3 on: Jun 24, 2018
Great! Please up vote :D


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