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Author Question: John drives to work each morning, and the trip takes an average of = 38 minutes. The distribution ... (Read 88 times)

tichca

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on: Jun 20, 2018
John drives to work each morning, and the trip takes an average of  = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of  = 5 minutes. For a randomly selected morning, what is the probability that John's drive to work will take between 36 and 40 minutes?
 
  a. 0.0793 c. 0.1554
  b. 0.1526 d. 0.3108

Question 2

John drives to work each morning, and the trip takes an average of  = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of  = 5 minutes. For a randomly selected morning, what is the probability that John's drive to work will take less than 35 minutes?
 
  a. 0.6554 c. 0.7257
  b. 0.3446 d. 0.2743


ilianabrrr

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Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

D


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