Incoming calls to a customer service center are classified ascomplaints (68% of calls) or requests for information (32% ofcalls). Of the complaints, 40% deal with computer equipment thatdoes not respond and 57% deal with incomplete softwareinstallation; and in the remaining 3% of complaints the user hasimproperly followed the installation instructions. The requests forinformation are evenly divided on technical questions (50%) andrequests to purchase more products (50%). a) What is the probability that an incoming call to the customerservice center will be from a customer who has not followedinstallation instructions properly?

b) Find the probability that an incoming call is a request forpurchasing more products.