According to the weather forecast, the probability of rainfall in place A on a certain day is 20%, and the probability of rainfall in place B is 50%. (1) Please design two double-color

Each of the two turntables has two events: whether it rains or not

The probability of rain in AB and AB is different, which is reflected on the disk

Disk A represents rainfall. The fan-shaped area of ​​color accounts for 20% of the entire disk

The fan-shaped area of ​​color representing rainfall accounts for 50% of the entire disk

(2) Rotate two disks at the same time to record

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