Answer:
The answer I got was 0.003
The probability that 1 girl and 2 boys will be selected is given by:

The correct answer choice is B. 1/2.
I think A, but im not 100% sure
Answer:
Length of arc is 2π
Step-by-step explanation:
Length of arc=¤/360 x 2πr
Where:
¤=angle
r=radius
length of arc=90/360 x 2xπx4
Length of arc=1/4 x 8π
Length of arc=8π ➗ 4
Length of arc=2π