최신 C1000-059 무료덤프 - IBM AI Enterprise Workflow V1 Data Science Specialist

문제1

When communicating technical results to business stakeholders, what are three appropriate topics to include?
(Choose three.)

A. methods that failed

B. benefits of cognitive over business analytics

C. differences between cloud provider portfolios

D. alternative methods to address the business problem

E. realistic impact on the business measures

F. newest developments in AI methods

정답: B,D,E

문제2

The formula for recall is given by (True Positives) / (True Positives + False Negatives). What is the recall for this example?

A. 0.25

B. 0.2

C. 0.33

D. 0.5

정답: A

문제3

A classification task has examples that are labeled as belonging to one of two classes:
*90% of the examples belong to class-1
*10% belong to class-2
Which two techniques are appropriate to deal with the class imbalance? (Choose two.)

A. apply dimensionality reduction to the features before training

B. oversample the minority class and/or undersample the majority class

C. impose an additional cost on the model for making classification mistakes on the minority class during training

D. after training, divide the model accuracy of each class by the proportion that they represent in the dataset

E. lower the detection threshold of the minority class after training

정답: C,D

문제4

Which statement defines p-value?

A. It is the probability of accepting a null hypothesis when the hypothesis is proven false.

B. It is the probability of rejecting a null hypothesis when the hypothesis is proven true.

C. It is the probability of accepting a null hypothesis when the hypothesis is proven true.

D. It is the probability of rejecting a null hypothesis when the hypothesis is proven false.

정답: A

문제5

Which is a preferred approach for simplifying the data transformation steps in machine learning model management and maintenance?

A. Do not apply any data transformation or feature extraction or feature engineering steps.

B. Implement data transformation, feature extraction, feature engineering, and imputation algorithms in one single pipeline.

C. Leverage only deep learning algorithms.

D. Apply a limited number of data transformation steps from a pre-defined catalog of possible operations independent of the machine learning use case.

정답: A

문제6

Which measure can be used to show business stakeholders the likelihood that a machine learning model will generate a true prediction?

A. mean

B. variance

C. skewness

D. accuracy

정답: D

최신 C1000-059 무료덤프 - IBM AI Enterprise Workflow V1 Data Science Specialist

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