Question

One letter is selected from the word " UNNECESSARY" .Find the probability of (a)an 'R' (b)an'E' (c)an 'O' (d)a 'C

Answer 1

Answer:

ans a. ( P) = probability of favourable out comes / probability of total outcomes

(P) = 1/11

ans - 1/11

b. (P) - same formula from above

P) = 2/11

ans 2/11

c. (P) same formula from above

ans. 0

d ans 1/11

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