Anyone does math or science for a living? Lao Zhou?
The answer for weather is unknown. For stock it is 71% x 70% + 29% x 50% = 0.642. 50% is based on random walk of the stock. If you draw a result tree with the probabilities, it helps you think about it.
The answer for weather is unknown. For stock it is 71% x 70% + 29% x 50% = 0.642. 50% is based on random walk of the stock. If you draw a result tree with the probabilities, it helps you think about it.