Your firm, which sells a technologically advanced product directly to consumers, has developed a new website that has a scrolling pop-up that prompts someone browsing your site to call a toll-free number to speak directly to a representative who can answer questions. Requests for information account for 75% of calls, while 15% of calls result in an actual order. Also, 10% of calls involve both information requests and order placement.
What is the probability that a call generated an order and did not request information?
What is the probability that a call generated an order, given that it requested information?
Providing information is costly, and yet generated no revenues. Should you halt this service?