Question 46 (2 points) Which statement about types of machine learning is FALSE? a) With reinforcement learning, the machine receives either positive or negative feedback when a solution is retured b) we see supervised learning in practice when we regularly use an online search engine OC) a Semi-supervised learning is a combination of supervised and unsupervised learning c) od) With unsupervised learning the computer restructures the data as each algorithm is processed Question 48 (2 points) Which statement about Revlon's rollout of an enterprise-wide system is accurate? a) Though disastrous, this implementation did not affect stock value. b) Their decision to change systems had no justification. c) Rerion was sued by its own stockholders as a result. d) The vendors involved included Panorama and Adobe. Question 50 (2 points) Which statement regarding how businesses can implement a successful e-commerce strategy is true? Oa a) When building a Web site, the business should first plan and develop the site, and then decide which tasks the site must accomplish. b) Businesses that build an e-commerce Web site from scratch enjoy greater success than businesses that use a customizable e-commerce Web site template. c) The business should wait until their e-commerce site is handling a large volume of credit card purchases to establish a merchant account with a bank. d) A business can choose to utilize an intermediary, called a storefront broker, to connect it with merchants and handle transaction details