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9147.Cumulative Distribution FunctionThe cumulative distribution function (CDF) of the standard normal distribution is generally denoted with the capital Greek letter Φ and look these up given by the formula:\(\begin{array}{l}\large \Phi (x)=\frac{1}{\sqrt{2\pi}} \int_{-\infty }^{x}e^{\frac{-t^2}{2}}dt\end{array} \)A z-score of a standard normal distribution is a standard score that indicates how many standard deviations