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