A

2000017510

Level: 
A
The probability that an accident occurs in a cloudy day is two times greater than in a sunny day. There were \(20\) sunny days and \(10\) cloudy days in April. In this month exactly one accident happened. What is the probability that this accident occurred in a sunny day?
It is the same as in a cloudy day.
It is greater than in a cloudy day.
It is smaller than in a cloudy day.
It is \(\frac14\).