Determine the expectation of the range of a random sample of size n from the uniform distribution

Question:

Determine the expectation of the range of a random sample of size n from the uniform on the interval [0, 1].
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...