Answer:
There is association between survival and treatment H1: there is no association between survival and treatment.
Step-by-step explanation:
If you mean 720/10^3, you do 10*10*10. This equals 1000. Now, do 720/1000. This is 0.72, or 72/100, which is your answer.
I believe it would be b= -264
(I’m not 100% sure though so you might wanna check)