GIAC Machine Learning Engineer
Domain 1Objective 3
Probability and Frequency GMLE Practice Questions (Page 7)
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 31–35
- 31
Which of the following is an example of a continuous probability distribution?
Select an answer first - 32
A data scientist is modeling the number of server crashes per month for a cloud service. The crashes occur independently and at a constant average rate of 2 per month. Which probability distribution is most appropriate to model the number of crashes in a month?
Select an answer first - 33
A model predicts delivery times. For a sample of orders, the variance of prediction errors is 16 minutes². What is the standard deviation of the errors?
Select an answer first - 34
A fraud-detection team logs that 2% of all transactions are fraudulent. Among fraudulent transactions, 90% are flagged by the rule engine; among legitimate transactions, 5% are flagged. A transaction is flagged. What is the probability it is actually fraudulent?
Select an answer first - 35
A marketing team finds that 40% of users click an ad, and 25% of users both click the ad and make a purchase. What is the probability that a user makes a purchase given that they clicked the ad?
Select an answer first
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