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Author Question: The mean is = 137.0 and the standard deviation is = 5.3. Find the probability that X is between ... (Read 55 times)

burchfield96

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on: Aug 2, 2018
The mean is  = 137.0 and the standard deviation is  = 5.3.
  Find the probability that X is between 134.4 and 140.1.
 
  A) 0.6242 B) 0.4069 C) 0.8138 D) 1.0311

Question 2

The mean is  = 22.0 and the standard deviation is  = 2.4.
  Find the probability that X is between 19.7 and 25.3.
 
  A) 1.0847 B) 0.7477 C) 0.3370 D) 0.4107


zogaridan

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Reply #1 on: Aug 2, 2018
Answer to Question 1

B

Answer to Question 2

B


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burchfield96

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Reply #2 on: Aug 2, 2018
Thank you!


zogaridan

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Reply #3 on: Aug 2, 2018
Always glad to help...


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