while working out a question on probability.It was found that there were 286 letters of english alphabets.The following was observation of occurring each letter a:70, b:14, e:26, r:40 and i:36.Other(not including towards equal hundred.Find the probability (i)a vowel (ii) one each other
Answers
Given : 286 letters of english alphabets a:70, b:14, e:26, r:40 and i:36 others 100
To find : probability (i)a vowel (ii) one each other
Solution:
Assumptions : others does not have vowels :
Total Letters = 286
Vowels : a = 70 e = 26 i = 36
Total Vowels = 70 + 26 + 36
= 132
Probability of Vowels = 132/286
= 66/143
= 6/13
Probability of other than a , b , e , r , i= 100/286
= 50/143
Probability of Vowels = 6/13
Probability of other than a , b , e , r , i = 50/143
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Answer:
(i) 6/13
(ii)50/143
Step-by-step explanation:
Total number of letters = 286
Vowels→ a= 70
e= 26
i= 36
Total number of vowels = 70+26+36= 132
Probability of Vowels → 132/286 = 66/143 = 6/13
Probability of letters other than a, b, e, r, i = 100/286= 50/143