The question:
How do you define the second layer of a neural network that has 4 neurons and a sigmoid activation?
I’m not really sure there is “real” correct answer?
Shouldn’t it be:
Dense(units=1, activation=‘sigmoid’)
?
It depends on what “second layer” refers to.
Apparently in this quiz it refers to the hidden layer.
First - Input
Second - Hidden
Third - Output
Omg… I just found it 
Question asks about 4 neurons… I missed it somehow and was focusing just on the image and the code above it.
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