Plss answer
pls help i need for exam

a)= 7/10

b) = 1/2

Step-by-step explanation:

Probabilty = No. of outcomes/ Total number of outcomes.

a) Probabilty = 7/10

b)Probabilty = 5/10

= 1/2

Hope this helps :)

1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0