ind the probability of the event described.    For a normal distribution with u = 138.2 and a = 10.3, find the probability of…  a) P(x > 140) = __________  b) P(x < 120) = _________  c) P(115 < x < 125) = ________  d) P(x > 130) = _________    For a normal distribution with u = 12.8 and a = 1.35, find the probability of…  a) P(x > 11) = __________  b) P(x < 12.2) = _________  c) P(10.5 < x < 11.2) = ________  d) P(13.1 < x < 13.9) = _________

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find the probability of the event described. 

 

  1. For a normal distribution with u = 138.2 and a = 10.3, find the probability of… 
  2. a) P(x > 140) = __________ 
  3. b) P(x < 120) = _________ 
  4. c) P(115 < x < 125) = ________ 
  5. d) P(x > 130) = _________ 

 

  1. For a normal distribution with u = 12.8 and a = 1.35, find the probability of… 
  2. a) P(x > 11) = __________ 
  3. b) P(x < 12.2) = _________ 
  4. c) P(10.5 < x < 11.2) = ________ 
  5. d) P(13.1 < x < 13.9) = _________ 
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