GIAC Machine Learning Engineer
Domain 1Objective 3
Probability and Frequency GMLE Practice Questions (Page 3)
Part of the Foundational Data Science and Statistics domain, which makes up ~41% of our current practice bank. GIAC (SANS) does not publish an official question count, but from its 180-minute exam (~70–120 total, ~29–49 in this domain), expect 7–12 from this objective — we provide 46 practice questions to prepare you well beyond it. (estimate)
46questions here
10free pages
7concepts
Questions 11–15
- 11
A data scientist is analyzing a dataset of 1,000 transactions. 100 transactions are fraudulent. Among fraudulent transactions, 80 are from foreign IPs. Among non-fraudulent transactions, 200 are from foreign IPs. What is the probability that a transaction is fraudulent given that it is from a foreign IP?
Select an answer first - 12
A fair six-sided die is rolled once. What is the probability of rolling an even number?
Select an answer first - 13
A quality control engineer samples 500 products from a production line and finds that 25 are defective. What is the relative frequency of defective products?
Select an answer first - 14
A quality-control process inspects 1,000 parts and finds 30 defective. What is the empirical probability that a randomly selected part is defective?
Select an answer first - 15
A data analyst records the number of failed login attempts per user in a week for 100 users. The frequencies are: 0 attempts (40 users), 1 attempt (30 users), 2 attempts (20 users), 3 attempts (10 users). What is the relative frequency of users with at least 1 failed login attempt?
Select an answer first
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