Scenario B.1 a Single Volunteer Octogenarian Usher Can Scan Tickets with a with a Handheld

Multiple Choice

Scenario B.1
A single volunteer octogenarian usher can scan tickets with a handheld device and direct theater patrons to their seats at a rate of 30 per hour with an accuracy rate approaching 23%. On average, about twenty-five customers arrive every hour for assistance and always wait, regardless of how long the line gets. Arrivals are governed by the Poisson distribution and service is governed by the exponential distribution.
-When not directing patrons to their seats, the octogenarian usher in Scenario B.1 sneaks in a little knitting. If she can knit one stitch every two seconds, how many stitches can she knit in an average hour of seating patrons?

A) 200
B) 300
C) 400
D) 500