Start learning →

For any event E, P(E) plus P(not E) equals:

A5
B1
C0
D2
Answer & Solution
Correct answer: B. 1
1. Not E is the complement of E. 2. Together they cover everything. 3. So the sum is 1. _Source: syllabus Mathematics, Chapter 15, Probability._
Practise this question with Quill — CAT →

Keep practising Modern Mathematics

Browse all Modern Mathematics questions for CAT, or explore more Quantitative Aptitude topics.

Start a Modern Mathematics lesson →
Related questions
Probability bingoType the numberSort empirical, theory and cardsImpossible or certainSlice the probability wordsRun the probability valuesPop the probability wordsCatch the equally likely cases