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NCERT Class XI Mathematics - Probability - Solutions
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Question : 33 of 54
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A letter is chosen at random from the word ‘ASSASSINATION’. Find the probability that letter is (i) a vowel (ii) a consonant.
Solution:
An experiment consists of a letter chosen at random from the word ‘ASSASSINATION’ which consists 13 letters, (6 vowels and 7 consonants). ∴ Sample points are 13. (i) Let E be the event that chosen letter is a vowel E = {A, A, A, I, I, O} ∴ n(E) = 6 ⇒ P (E) = = (ii) Let F be the event that chosen letter is a consonant ∴ F = {S, S, S, S, N, N, T} ⇒ P (F) = =
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