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Author Question: The mean is = 65.2 and the standard deviation is = 9 Find the probability that X is less than ... (Read 25 times)

vHAUNG6011

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on: Aug 2, 2018
The mean is  = 65.2 and the standard deviation is  = 9
  Find the probability that X is less than 73.1.
 
  A) 0.88 B) 0.8106 C) 0.1894 D) 0.8078

Question 2

The mean is  = 35.2 and the standard deviation is  = 8
  Find the probability that X is greater than 33.4.
 
  A) 0.5870 B) 0.4090 C) 0.0230 D) 0.5910


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asware1

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

B

Answer to Question 2

D


vHAUNG6011

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Reply 2 on: Aug 2, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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