Question

Tickets numbered 4, 5, 6......48, 49 are placed in a box and mixed thoroughly. One ticket is drawn from the box. Find the probability that the number on the ticket is: (i) an even number (ii) A number less than 16 (iii) a perfect square (iv) a prime number less than 30.

Answer 1

Answer:

1. 23/45
2. 15/45 = 1/3
3. 6/45 = 2/15
4. 8/45

Step-by-step explanation:

Probability = (Number of favourable outcomes)/Total number of outcomes

1. Even numbers are 4 , 6 ,8 ,......, 48

Using A.P Find number of terms and we could find first probability

2. Use the same method for further sums