The integers from 1 to 30 are written on chits of paper (one number on

1.	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) = 1/30 (ii) 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29 P(an odd number) = 15/30 (iii) 2,3,5,7,11,13,17,19,23,29 P(a prime number) = 10/30

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) = 1/30

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

P(an odd number) = 15/30

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

P(a prime number) = 10/30

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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

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