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mani toolmani tool 

Need help on Calculating the Normal distribution S-Curve

We are trying to display the Bell curve(s-curve) from the data we have by using the Normaldistribution Formulae.

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We are able to calculate the Normal distribution for Probability density by using Math class in Salesforce, but we also require remaining 2 formulaes to calculate.

Any one Please help on this.
mani toolmani tool
Anyone helps me how to solve the above.