Please answer all questions, Thanks

QUESTION 1 Machine Learning is a branch of Artificial Intelligence (AI), that provides systems with ability to learn and improve from experience without being explicitly programmed O True O False QUESTION 2 Machine Learning works very well for O problems for which existing solutions require a lot of hand-tuning or long lists of rules O complex problems for which there is no good solution at all using a traditional programming approaches O changing environments which require resilience and generalization O All of the above QUESTION 3 A machine learning program that filters spam in email should be modeled using Supervised Learning O Unsupervised Learning QUESTION 4 The output of a classification system is a continuous value and the output for a regression system is discrete True False QUESTION 5 Results achieved by supervised learning are much better than unsupervised learning. True False