Question: The Customer Service department of ABC Computer Software Company has an 80% customer satisfaction rate from their online purchases. The company gathers the information by surveying customers over the internet after they made the online purchase of the software. The satisfaction of each customer is considered to be independent from the others. If 50 customers who have been surveyed at random determine the following:

a. (2) What type of probability distribution is this situation? Explain.

b. (2) What is the mean expected number of satisfied customers in this group?

c. (2) What is the standard deviation for the number of satisfied customers?

d. (2) What is the probability that exactly 35 customers will respond that they are satisfied?

e. (2) What is the probability that at most 32 customers will respond that they are satisfied?

f. (2) What is the probability that 45 or more customers will respond that they are satisfied?