Questions 33-35 are based on the following question:

Jane takes orders from her friends and neighbors to bake cakes. Through time she has computed the monthly average demand to be 75 cakes a month with a standard deviation of 25 cakes. Assume the demand is normally distributed.

1. What is the probability that monthly demand for cakes will exceed 100?
   1. -0.221
   2. 0.159
   3. 0.221
   4. 0.412

1. What is the probability that monthly demand for cakes will be between 30 to 80 cakes?
   1. 0.50
   2. 0.327
   3. 0.543
   4. 0.933

1. What is the probability that demand will be less than 150?
   1. 0.999
   2. 1.00
   3. 0.874
   4. 0.074