Off-road motorbike racing can be dangerous, especially when it rains. It has been found that it rains during
18% of races. When it does not rain, there is a 5% chance that Dwayne (a rider) will get hurt. However, when it
rains, the chance that he gets hurt increases to 35%. Dwayne has just finished a race and is hurt. What is the
probability that it rained during the race?
Let denote the event "rain during race". Let denote the event " a rider will get hurt".
Given
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