<span>y = ln(x/(1+x²))
</span>y = ln(x) - ln(1+x²)
dy/dx= ln[(1/x)] - ln[((2x)/(1+x²))]
The probability of popping a purple balloon is 2 out of 15

which means the sum of the 100 numbers must be
Answer:
4.9767750498%
Step-by-step explanation:
I don't know if I am right or wrong. But I hope this is the answer!!!