Asked by missy
The diameter of a pipe is normally distributed with a mean of 0.4 inches and a variance of 0.0004. What is the probability that the diameter of a randomly selected pipe will exceed 0.44 inches?
Answers
Answered by
drwls
If the variance is 0.0004, the standard deviation is the square root of that, or 0.02.
Using the computational tool at
http://psych.colorado.edu/~mcclella/java/normal/accurateNormal.html ,
the probability is 9.1%
Using the computational tool at
http://psych.colorado.edu/~mcclella/java/normal/accurateNormal.html ,
the probability is 9.1%
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