Assuming that data mining techniques are to be used in the following cases, identify

whether the task required is supervised or unsupervised learning.

a. Deciding whether to issue a loan to an applicant based on demograpbic and

financial data (with reference to a database of similar data on prior customers).

b. In an online bookstore, making recommendations to customers concerning additional

items to buy based on the buying patterns in prior transactions.

c. Identifying a network data packet as dangerous (virus, hacker attack) based on

comparison to other packets whose threat status is known.

d. Identifying segments of similar customers.

e. Predicting whether a company will go bankrupt based on comparing its financial

data to those of similar bankrupt and nonbankrupt firms.

r. Estimating the repair time required for an aircraft based on a trouble ticket.

g. Automated sorting of mail by zip code scanning.

h. Printing of custom discount coupons at the conclusion of a grocery store checkout

based on what you just bought and what others have bought previously.