The letters of the word "PROBABILITY" are written on identical cards
MATHEMATICS · Multi-part · CBSE · Mathematics · Probability · Probability
Problem
The letters of the word "PROBABILITY" are written on 11 identical cards, one letter on each card. A card is drawn at random.
(i) Find the probability that the letter obtained is a vowel.
(ii) Find the probability that the letter obtained is not a vowel.
(iii) Verify that the sum of the probabilities obtained in parts (i) and (ii) is 1.