$12$

PA $16-15($Algo$)$ Find a Doctor is a small startup that helps...

$2$

Find a Doctor is a small startup that helps people find a physician who best meets their needs $($location$,$ insurance accepted, etc.$).$

points During a "slow" time for it$,$ it has $9$ staff members taking calls from customers. On average, one call arrives every $7$ minutes $($with a standard deviation of $7$ minutes$).$ Each staff member spends on average $20$ minutes with each customer $($with a standard deviation of $30\mathrm{.}00$ minutes$).$

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How long does one of their customers spend, on average, waiting on hold before he or she can start speaking to a representative?

Note: Round your answer to $2$ decimal places.

Compute time in queue

minutes