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Normal Distribution Calculator

     Enter value for b when computing P(a<X < b)

All you need to know about Normal Distributions

Normal Distribution Calculator

Sample Normal Distribution Problem

What is the probability of being no taller than 6 feet = 72 inches tall in Sweden where heights follow a normal distribution with mean μ=70 and standard deviation σ=3 ?
We are looking for P(X<72) and enter μ=70 , σ=3 and x=72 above to get .7475=74.75%
Question1: Will that probability increase if the mean was μ=71 instead resulting in a shifted right bell curve?
Question2: Will that probability increase if the standard deviation was σ=1 instead resulting in a more compressed bell curve?
Get it now? Try the above Normal Distribution Calculator a few more times.

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