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Author Question: If the random variable X is exponentially distributed, then the mean of X will be: a. greater than ... (Read 140 times)

lb_gilbert

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If the random variable X is exponentially distributed, then the mean of X will be:
 a. greater than the median.
  b. less than the median.
  c. equal to the median.
  d. Cannot tell; the answer depends on what  is.

Question 2

The exponential density function f(x):
 a. is bell-shaped.
  b. is symmetrical.
  c. approaches infinity as x approaches zero.
  d. approaches zero as x approaches infinity.



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CAPTAINAMERICA

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Answer to Question 1

A

Answer to Question 2

D





 

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