A given Deep Neural Network (DNN) applies inverted dropout. The DNN comprises of...
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A given Deep Neural Network (DNN) applies inverted dropout. The DNN comprises of 3 sensing neurons (N1 - N3), 4 processing neurons (N4 - N7) in hidden layer 1, 3 processing neurons (N8 - N10) in hidden layer 2, and 1 processing neuron (N11) in the output layer. All processing neurons use the sigmoid activation function. During a feedforward phase, N6 is expected to have a net function (z) output of 0, the actual activation is however scaled to 0.625 due to the implementation of inverted dropout. How many neurons were dropped during this feedforward phase?