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KEAM Discrete Random Variables — practice questions

Explore 1 free Discrete Random Variables questions in KEAM Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Discrete Random Variables questions and exercises with answers

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Worked practice questions

A **discrete** random variable is one whose possible values:

  1. Are finite or countably infinite
  2. Form an interval of real numbers (uncountably infinite)
  3. Are always negative
  4. Are obtained only by measurement
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Correct answer: A. Are finite or countably infinite

**Discrete RV:** finite or countably infinite values (typically non-negative integers — number of heads, defective items, etc.). Continuous RV has uncountably infinite values forming an interval.

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