Does co$-$browsing have positive effects on the customer experience? Co$-$browsing refers to the ability to have a contact center agent and customer jointly navigate an online document or mobile application on a real$-$time basis through the web. A study of businesses indicates that $83$ of $133$ co$-$browsing organizations use skills$-$based routing to match the caller with the right agent, whereas $87$ of $166$ non$-$co$-$browsing organizations use skills$-$based routing to match the caller with the right agent. Complete parts $($a$)$ and $($b$)$ below.