Can someone help me with this.

Alocal club is selling christmas trees and deciding how many to stock for the month of december. if demand is normally distributed with a mean of 100 and standard deviation of 20, trees have no salvage value at the end of the month, trees cost $20, and trees sell for $50 what is the service level?

Arestaurant that creates a new type of sandwich is using (blank) as a method of competition.

It is estimated that over 100,000 students will apply to the top 30 m.b.a. programs in the united states this year. a. using the concept of net present value and opportunity cost, when is it rational for an individual to pursue an m.b.a. degree. b. what would you expect to happen to the number of applicants if the starting salaries of managers with m.b.a. degrees remained constant but salaries of managers without such degrees decreased by 20 percent