Binomial Distribution: Saving Time when Calculating the Mean & Variance

This is the second in a series of three videos looking at how the Normal Ditribution approximates to the Binomial Distribution. The links to all three videos can be found here: Calaculating the Binomial Distribution Probabilities: https://youtu.be/5es1rm3KgeQ Calcualtion of E[X] and Var[X]: https://youtu.be/joLcFo1GHlI Calaculating the Normal Distribution Probabilities: https://youtu.be/Iww388K46Nk