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Earlier discussion
2 older comments kept for context.
Olamide Amoo
Number of vowel=5
Total number of words=12
Probability of the letter being a vowel=5/12
Oyecas
Add up all the letters which is equal to 12 aeiou is the vowel letter ,count how many vowel u can find in the word "hippopotamus" so it 5 then 5 /12 is the answer\( \)