Question

PLEASE PLEASE PLEASE HELP ME​

Answer 1

`\large\boxed{(1)/(45)}`

Explanation:

1.

2 yellow marables of 10 all marables

`P(A_1)=(2)/(10)=(1)/(5)`

2.

1 yellow marable of 9 all marables

`P(A_2)=(1)/(9)`

`P(A)=P(A_1)\cdot P(A_2)\\\\P(A)=(1)/(5)\cdot(1)/(9)=(1)/(45)`