Suppose 70% of the cells are young. Consider again the cells in Section 6.4, Exercises 29 and

Question:

Suppose 70% of the cells are young.
Consider again the cells in Section 6.4, Exercises 29 and 30, but suppose that older cells, instead of not staining as often, do not stain as well. In particular, they produce a brightness of 7, while young cells have a brightness of 9. Write a random variable describing the brightness, and find its probability and its expectation.
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...