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Author Question: Checkout times in a Walmart store follow an exponential distribution with a mean time of 8 minutes. ... (Read 102 times)

jwb375

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on: Jun 24, 2018
Checkout times in a Walmart store follow an exponential distribution with a mean time of 8 minutes. What is the probability that the checkout time for the next customer will be 6 minutes or less?
 
  A) 0.528
  B) 0.472
  C) 0.972
  D) 0.328

Question 2

The diagram which provides an intuitive understanding of the addition rule which computes the probability of the union of events is called a:
 
  A) plot diagram.
  B) scattered diagram.
  C) Venn diagram.
  D) tree diagram.


recede

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

A

Answer to Question 2

C


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