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in Probability by (42.6k points)
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A letter is chosen from English alphabet. Find the probability of the letter choosen is 

i) a consonant 

ii) both consonant and vowel 

iii) a letter comes before M 

iv) not a vowel

1 Answer

+1 vote
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Best answer

Favourable outcomes = 26 

i) Vowels Favourable outcomes = 21 

∴ Probability = 12/26 = 6/13

ii) Vowel and Consonants Favourable outcomes = 0

∴ Probability = 0/26 = 0

iii) A letter comes before M Favourable outcomes =12 

∴ Probability = 12/26 = 6/13

iv) Not a vowel Favourable outcomes = 21 

∴ Probability = 21/26

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