You plan to buy two stocks: A and B. You estimate that stock A has an 80%

Question:

You plan to buy two A and B. You estimate that stock A has an 80% chance of increasing in value. You estimate that stock B has a 70% chance of increasing in value. You also estimate that if stock A increases in value, the chance that stock B will increase jumps to 75%.
a. What’s the probability that both increase in value?
b. What’s the probability that at least one of the stocks—either A or B or both— will increase in value?
Stocks
Stocks or shares are generally equity instruments that provide the largest source of raising funds in any public or private listed company's. The instruments are issued on a stock exchange from where a large number of general public who are willing...