Find a Doctor is a small startup that helps people find a physician that best meets their needs $($location$,$ insurance accepted, etc.$).$ During a $$slow$$ time for them, they have $6$ staff members taking calls from customers. On average, one call arrives every $7$ minutes. On average, each staff member spends $22$ minutes with each customer..

What is the probability that one of their staff members is busy?

Note: Round your answer to $1$ decimal place.