Exercise 10: Assume that you are trying to solve a binary classification problem with a feed-forward neural network. Assume that the training set has 1250 observations and 5 input features. Finally, assume that the network has only one layer of hidden neurons, and that layer contains 3 neurons. What is the total number of connections of the network? (Remark: to answer this question, you have to take into account also the threshold connections of each neuron). Answer 1. 9 Answer 2. 5 Answer 3. 22 Answer 4. 18

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