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Author Question: If the parameter of an exponential distribution is 1, then which of the following is true? a. The ... (Read 137 times)

futuristic

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on: Jun 24, 2018
If the parameter of an exponential distribution is 1, then which of the following is true?
 a. The density function is e-x for x  0.
  b. The mean is equal to 1.
  c. The standard deviation and variance are both equal to 1.
  d. All of these choices are true.

Question 2

If the mean of an exponential distribution is 2, then the value of the parameter  is
 a. 0
  b. 2.0
  c. 0.5
  d. 1.0


Ddddd

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

D

Answer to Question 2

C


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