The file S04_62.xlsx contains the joint probability distribution of recent weekly trends of two particular stock prices,

Question:

The file S04_62.xlsx contains the joint probability of recent weekly trends of two particular stock prices, P1 and P2.
a. Are P1 and P2 independent random variables? Explain why or why not.
b. If P1 and P2 are not independent random variables, which joint probabilities result in the same marginal probabilities for P1 and P2 as given in the file but make P1 and P2 independent?

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...