Online Access Free Databricks-Certified-Professional-Data-Scientist Practice Test

Which of the following could be features?

• A.All 1,2 and 3 are possible
• B.0nly 1 and 2
• C.Symptoms of a diseases
• D.Words in the document
• E.Characteristics of an unidentified object

Classification and regression are examples of___________.

• A.Density estimation
• B.un-supervised learning
• C.Clustering
• D.supervised learning

Refer to image below

• A.Option A
• B.Option C
• C.Option B
• D.Option D

Select the correct statement which applies to Supervised learning

• A.Instead of telling the machine Predict Y for our data X, we're asking What can you tell me about X?
• B.Lesser machine's task to only divining some pattern from the input data to get the target variable
• C.We asks the machine to learn from our data when we specify a target variable.

Suppose there are three events then which formula must always be equal to P(E1|E2,E3)?

• A.P(E1,E2;E3)/P(E2,E3)
• B.P(E1,E2|E3)P(E2|E3)P(E3)
• C.P(E1,E2,E3)P(E1)/P(E2:E3)
• D.P(E1,E2,E3)P(E2)P(E3)
• E.P(E1,E2|E3)P(E3)