How do businesses determine the equilibrium price of a good or service?

How american was colonial art? to what extent does it illustrate the development of a new society

General ways to reduce the risk of some action include

Alife insurance salesman sells on the average 3 life insurance policies per week. use poisson's law to calculate the probability that in a given week he will sell 2 or more policies but less than 5 policies? i just require an answer.