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Let F(z)F(z) be the cumulative density function of the standard normal variate zz, then which of the following are correct?

(A) F(z)=12π∫−∞ze−z22dzF(z) = \frac{1}{\sqrt{2\pi}} \int_{-\infty}^z e^{-\frac{z^2}{2}} dz, −∞<z<∞-\infty < z < \infty

(B) F(−z)=1−F(z)F(-z) = 1 - F(z)

(C) F(0)=0F(0) = 0

(D) F(∞)=1F(\infty) = 1

Choose the correct answer from the options given below:

Solution

✅ Correct Option: 1

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