Finally! Answer the original question: On Monday, you have no idea whether it's raining or not. Then Mali walks into work with her bike helmet, which tells you she biked to work. What is the probability that it is raining? Round to three places past the decimal. | Bike (B) | Walk (W) | Total | |----------------|----------|----------|-------| | Rain (R) | 30 | 120 | 150 | | No Rain (( eg R)) | 595 | 255 | 850 | | Total | 625 | 375 | 1000 |