PROBABILITY AND STATISTICAL
INFERENCE EXAM QUESTIONS AND
CORRECT ANSWERS. VERIFIED
2025/2026.
Probability - ANS Frequency of random events
Probability distribution - ANS Tracks outcomes and associated probabilities
Random variable - ANS Value in a random experiment
Discrete random variable - ANS Takes finite or countable values
Continuous random variable - ANS Takes countless values in an interval
Probability density curve - ANS Represents probabilities for continuous outcomes
Mean - ANS Represented by µ
Standard Deviation - ANS Represented by σ
Smaller SD effect - ANS Higher curve on Normal Model
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
INFERENCE EXAM QUESTIONS AND
CORRECT ANSWERS. VERIFIED
2025/2026.
Probability - ANS Frequency of random events
Probability distribution - ANS Tracks outcomes and associated probabilities
Random variable - ANS Value in a random experiment
Discrete random variable - ANS Takes finite or countable values
Continuous random variable - ANS Takes countless values in an interval
Probability density curve - ANS Represents probabilities for continuous outcomes
Mean - ANS Represented by µ
Standard Deviation - ANS Represented by σ
Smaller SD effect - ANS Higher curve on Normal Model
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.