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Author Question: Which of the following is not true for an exponential distribution with parameter ? a. Mean = . b. ... (Read 127 times)

BRWH

  • Hero Member
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  • Posts: 553
on: Jun 24, 2018
Which of the following is not true for an exponential distribution with parameter ?
 a. Mean = .
  b. Standard deviation = .
  c. The distribution is completely determined once the value of is known.
  d. The distribution is a two-parameter distribution since the mean and standard deviation are equal.

Question 2

Sixty percent of a company's customers are females. What is the probability that a random sample of 200 customers is greater than 64 percent female?
 a. 0.1229
  b. 0.1556
  c. 0.1898
  d. .02158
  e. 0.2847


JYan

  • Sr. Member
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  • Posts: 331
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

A


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