Q. 165.0( 1 Vote )

The integers from 1 to 30 are written on chits of paper (one number on each chit). These chits are then put in a box and well mixed. Ramesh picks up one chit. What is the probability that his chit has

(i) the number 5

(ii) an odd number

(iii) a prime number

Answer :

(i) P(the number 5) =

(ii) 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29

P(an odd number) =

(iii) 2,3,5,7,11,13,17,19,23,29

P(a prime number) =

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