Mathematics · Probability
Suppose that a discrete random variable X takes on the values -1, 0, and 2 with probabilities 18, 12, and 38 respectively. Find the expected value E(X) of the random variable.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 11
- 278
- 358✓
- 438
Correct answer
58
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Probability MCQs →Want more practice questions on Probability?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Probability