Chris needed a tool to show the percentages of healthcare professionals with specialties, such as pediatrics or geriatrics in his hospital. His best tool to use would be a

A pie chart shows how each category makes up a percentage of the whole. Here, the whole is all healthcare professionals in the hospital, and each slice could represent a specialty such as pediatrics or geriatrics. So the best choice is a pie chart.

AI-written and checked against the verified answer.