Which of the following is true about weighted majority votes?1. We want to give higher weights to better performing models2. Inferior models can overrule the best model if collective weighted votes for inferior models is higher than best model3. Voting is special case of weighted voting

Machine learning (ML) is a branch of artificial intelligence that leverages data to improve computer performance by giving machines the ability to "learn", or improve performance — based on the data.

There are four basic approaches to machine learning: supervised learning, unsupervised learning, semi-supervised learning and reinforcement learning.