QUESTION: 1

A new test to diagnose a disease is evaluated on 1152 people, and 106 people have the disease, and 1046 people do not have the disease. The test results are summarized below:

In this sample, how many cases are false positives and false negatives?

33 false positives and 81 false negatives
81 false positives and 73 false negatives
73 false positives and 81 false negatives
81 false positives and 33 false negatives

Answer(s): A

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QUESTION: 2

What is the goal of the backpropagation algorithm?

to randomize the trajectory of the neural network parameters during training
to smooth the gradient of the loss function in order to avoid getting trapped in small local minimas
to scale the gradient descent step in proportion to the gradient magnitude
to compute the gradient of the loss function with respect to the neural network parameters

Answer(s): B