Question

a boy thinks of a single digit number the probability that it is prime is​

Answer 1

Answer:

1. i think it is 1.

.......

Answer 2

Answer:

4/9

Step-by-step explanation:

total number of outcomes = 9    [1,2,3,4,5,6,7,8,9] [single digit numbers]

favorable outcome = 4    [2,3,5,7] [prime numbers]

probability = favorable outcome / total outcome

                  = 4/9