Answer:
4
Step-by-step explanation:
Answer: 9516793/9765625
Step-by-step explanation:
We can subtract the probability none of them have been vaccinated from 1.
If 52% of people are vaccinated, then 48% of people are not vaccinated.
Thus, the probability is 
Answer:
x+y=5
Step-by-step explanation:
y=-x+5
add x to both sides
x+y=5