Gavin and play a game with 20 numbered balls. The 20 balls are numbered from 1 to 20. Write down the probability that the score is a multiple of 3.

Question

asked Dec 23, 2022 227k views

2 Answers

William Billingsley · Answer 1 · 2022-12-23T09:41:43+0000

Answer:

(3)/(10)

Explanation:

The multiplies of 3 from 1-20 are:

3, 6, 9, 12, 15, 18

Since there are
20-1+1=20 numbers from 1-20 inclusive, the probability that a ball is a multiple of 3 is
$(6)/(20)=\boxed{(3)/(10)}$