GATE-EY-2018 Q53

Question

The probability that a bush has a cricket is 0.1. The probability of a spider being
present on a bush is 0.2. When both a spider and a cricket are present on a bush, the
probability of encountering each other is 0.2. The probability of a spider consuming
a cricket it encounters is 0.5. Assuming that predation only occurs on bushes, the
probability that a cricket is preyed on by a spider is ____ (answer up to 3 decimal
places).

 

 

Is it multiplication of everything i.e. 0.002.

Answer 1

Yes , As per the contents mentioned in the question it is the multiple of everything which gives the probability of cricket is prayed on by a spider.