23 balls are numbered as 1, 2, 3, 4, 5 ... 20, 23 are put in a box and mixed. Avni draws a ball from the box. Find the probability that the number on the ball is 1/3 ... a) an odd number b) a multiple of 2 c) neither prime nor composite
Answers
Answered by
0
Answer:
odd no. in 1 to 23
3,5,7,9,11,13 15,17,19,21,23
=11 odd no. so probability of odd no. =11/23p
multiple of 2 in 1-23= 2,4 6,8,10,12 14,16,18,20,22
total no=11 so probability of it is also =11/23
no. neither prime nor composite = 1
so it's probability= 1/23
Similar questions