anonymous 4 years ago What are the odds of rolling less than 3 on a standard number cube? 1/2 4/5 1/3 5/6

1. anonymous

could you tell me what all the odd numbers that are less than 3?

2. anonymous

1/4

3. anonymous

only 1 ?

4. anonymous

yes

5. anonymous

it doenst need to be an odd number less than 3, just a number less than 3

6. anonymous

A standard. Cube. Consists. Of. Number 1-4.

7. anonymous

soo 1/3 ?

8. anonymous

it says less than 3 so then there is only 1 odd number under 6

9. anonymous

odds means probability

10. anonymous

but this says less than 3

11. anonymous

I think you typed the question wrong or something

12. anonymous

its fine, a standard number cube has 6 sides, 1,2,3,4,5,6 less than 3 would be 1,2

13. anonymous

lets just call it a dice...

14. anonymous

nope thats what the book says

15. AccessDenied

$\text{Odds of an event} = \frac{\text{# of favorable outcomes}}{\text{# of unfavorable outcomes}}$ Not to be confused with probability of an event.

16. anonymous

anyways you are correct

17. AccessDenied

So basically, we just find: # of favorable outcomes (we roll a # less than 3: a 1 or a 2.) There are 2 here. # of unfavorable outcomes (we roll something else: 3, 4, 5, or 6.) There are 4 here. These two quantities should add up to the total # of possible outcomes. Then take the fraction of the # of the favorable outcomes over the # of unfavorable outcomes. 2/4. Simplify as necessary.