7. A manufacturing plant uses a specific bulk product. The amount used (in tons) in one day has a gamma distribution with = 3/2 and = 1/3. Using the python scipy package , write a code to

a. Find the probability that the plant will use between 3 and 4 tons on a given day.

b. How much of the bulk product should be stocked so that the plants chance of running out of the product is only 0.05. Hint youll need to use the ppf method.