Answer: 
Step-by-step explanation:
If the volume of a sphere is

Where
is the radius
The volume of a hemisphere is half the volume of the total sphere:


Solving this equation:

Finally:

Answer: The habitat quality score will be normally distributed if at least 50% of the total sites are captured
Step-by-step explanation:
Pi is the ratio of the diameter to the circumference
circumference/diameter=pi
that's why c=pid or c=2pir
some digits are <span>3.14159265358979323846264338327950288419716939
937510582097494...</span>
Answer: The answer is option B.
Step-by-step explanation: