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X. Y are random variables. C is a constant. which of the following description about the nature of the mathematical expectation is incorrect?

A.

E(C) = CA. E(C) = C

B.

E(X+Y) = E(X)+E{Y)

C.

E(CX) = CE(X)

D.

E(XY) = E(X)E{Y)

What is wrong about the image content review service?

A.

politics Test results for sensitive persons involved in politics

B.

terrorism Test results for political violence

C.

confidence Represents confidence, range 0-100

D.

labe1 Label representing each test result

If a model has a large deviation on the test set and a small variance, it means that the model?

A.

Overfitting

B.

May be overfitting may be underfitting

C.

Just fit

D.

Underfitting

According to Huawei Cloud EI Intelligent platform, which of the following solutions can be provided?

A.

Crowd statistics program

B.

Policy query scheme based on knowledge graph

C.

Vehicle identification scheme

D.

Intrusion recognition scheme

Which of the following are the elements of artificial intelligence? (Multiple choice)

A.

Algorithm

B.

Computing power

C.

Data

D.

Scene

Python tuples are identified by "()'' and internal elements are separated by ":".

A.

True

B.

False

Principal Component Analysis (PCA) is a statistical method. A set of variables that may be related to each other is transformed into a set of linearly related variables by orthogonal transformation

The converted set of variables is called the principal component

A.

True

B.

False

TensorFlow only supports Python and R language

A.

True

B.

False

Which of the following does the convolutional neural network structure not include?

A.

Convolutional layer

B.

Pooling layer

C.

Loop layer

D.

Fully connected layer

The perceptron can be displayed in space as?

A.

line

B.

flat

C.

Hyperplane

D.

point