Let X have the negative binomial distribution with parameters n and 0.2, where n is a large

Question:

Let X have the negative binomial with parameters n and 0.2, where n is a large integer.
a. Explain why one can use the central limit theorem to approximate the of X by a normal Which normal approximates the of X?
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...