Answer: 0.05%
Step-by-step explanation:
Cystic fibrosis is a genetic disease that results in the body producing thick, and sticky mucus which is abnormal.
From the question, we are informed that 1 out of every 2,000 babies born in the US have cystic fibrosis, the percentage of the above population that has cystic fibrosis will be:
= 1/2000 × 100
= 0.05%