Calculations based on the normal distribution

The Normal Distribution

The normal distribution is defined by the following equation:

he value of the random variable Y is:

Y = { 1/[ σ * sqrt(2π) ] } * e-(x - μ)2/2σ2

where X is a normal random variable, μ is the mean, σ is the standard deviation, π is approximately 3.14159, and e is approximately 2.71828.

let value of  μ = a , standard deviation = b 

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