Traditional Culture Encyclopedia - Weather inquiry - ABCD Four people predict whether the weather will be rainy or sunny for the week

ABCD Four people predict whether the weather will be rainy or sunny for the week

The probability that it will rain, be sunny, or snow today is each x y z

x+y+z=1

The probability that it will be raining or sunny today is x+y=80%

It will rain or snow today x+z=80%

x=

y=

z=