The following problem is solved:
At a Major League Baseball park, five customers arrive at a concession stand on average in a tenminute period.
A) What is the probability that in a tenminute period exactly three people will arrive at the concession stand?
B) Find the probability of exactly 3 customers arriving in 20 minutes?
C) Find the probability of 3 or fewer customers arriving in 20 minutes?
D) Find the probability of more than 3 customers arriving in 20 minutes?