Question

A number is chosen at random from the first 100 positive integers. Find the probability that the number is not divisible by 10 or 3.

3/5
3/10
57/100

Answer 1

i say it could be 3/5 there are 40 possibilities, so there is a 4/10 chance that the number is divisible by 10 or 3, so a 6/10 chance that the number is not divisible.
Or 3/5 but imnot sure i need ensurance

Answer 2

I'd say you are correct.