Answer:
Answer is D.)
Step-by-step explanation:
If im wrong im really sorry i tried to ork this out in my head as fast as possible.
Answer:
I think D but I'm not sure about that
Answer:0.92
Step-by-step explanation:
Given
of Population is vaccinated
So, Probability of a person being vaccinated is 
and simultaneously , probability of not vaccinated is 

Now, Probability that atleast one of them has been vaccinated is given by



Answer:
63+48= 3(21+16)
Step-by-step explanation:
Check answer:
Distribute 3(21+16)
3(21)+3(16)
63+48