Question

Need help please, also about probabilities

Answer 1

a=0.15

b=0.45

c=0.16

Explanation:

Answer 2

Explanation:

Good evening ,

_______________

a) p(rat)=1-(0,35+0,4+0,1)

b) p(cat ∪ hamster)=0,35+0,1

c) p(dog then dog)= (0,4)²

:)