A Street Noodle Vendor in Singapore Can Service an Average

Multiple Choice

A street noodle vendor in Singapore can service an average of 10 customers per hour. Given an average arrival rate of 8 customers per hour, use the Poisson distribution to calculate the probability that the vendor can handle the demand.
-What is the probability of having, at most, 10 customers arriving within 1 hour?

A) 0.8159
B) 0.2834
C) 0.1841
D) 0.7166
E) 0.0993