engineering recuitment NIC NIELIT Scientist B 2023 Mock Test Engineering Mathematics Probability and Statistics Random Variables Basics
Let X be a standard normal distribution. The value of E (X3) is:
1
\((t^3+3t)e^{\frac{t^2}{2}}\)
2
\(t^3e^{\frac{t^2}{2}}\)
3
\(e^{\frac{t^2}{2}}\)
4
0