Martin runs a hot dog stand, and it opens between 8:00 a.m. and 6:00 p.m. from Monday to Friday.  Customers arrive at the stand according to a Poisson distribution with an average of 18 customers per hour.  Find the probability that at least 20 customers arrive in the next hour.  (Round to 3 decimal places.)

Answer rating: 100% (QA)

18 since 18 customers arrive per hour on average PXe x x PX201Px19 PX1918p018p118p218p... View the full answer