GIAC Machine Learning Engineer
Domain 1Objective 3
Probability and Frequency GMLE Practice Questions (Page 4)
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 16–20
- 16
A portfolio has returns with a mean of 8% and a standard deviation of 12%. What is the variance of the returns?
Select an answer first - 17
A manufacturing process produces items with a defect rate of 2%. What is the expected number of defective items in a batch of 100?
Select an answer first - 18
What is the expected value of a discrete random variable?
Select an answer first - 19
A financial model predicts returns with a mean of 5% and a variance of 0.04 (in decimal form). What is the standard deviation of returns?
Select an answer first - 20
In a dataset, 60% of customers are male, and 30% of all customers are male and purchased a product. What is the probability that a randomly selected male customer purchased the product?
Select an answer first
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