Answer: B
The series converges because it has a sum of 4.
Step-by-step explanation:
The formulas for conditional probability are:


.
Since

and

, you have the equation

.
Therefore,

.
Answer: The correct choice is D.
It has to be B since it shoes both boys and girls.
Answer: 13°C
Step-by-step explanation:
Subtract 2 from 15.