anonymous one year ago help!

1. anonymous

@satellite73

2. anonymous

Jason has two bags with 6 tiles each. The tiles in each bag are shown below: Six squares are numbered sequentially from 1 to 6. Without looking, Jason draws a tile from the first bag and then a tile from the second bag. What is the probability of Jason drawing the tile numbered 5 from the first bag and an odd tile from the second bag? 3 over 6 4 over 6 3 over 36 4 over 36

3. anonymous

what is the probability he draws a 5 from bag one?

4. anonymous

um 2

5. anonymous

??

6. anonymous

where on earth did you get that from? a probability is a number between zero and one it can never be 2 lets go slow

7. anonymous

how many tiles are in the bag?

8. anonymous

because i dont get it :(

9. anonymous

that is clear, so lets take it one step at a time how many tiles are in bag one?

10. anonymous

6 tiles are in each bag

11. anonymous

6 tiles in bag one out of those six, how many are labelled "5"?

12. anonymous

3

13. anonymous

there are 3 tiles labelled "5" in bag one?

14. anonymous

seems unlikely, since the question says "Six squares are numbered sequentially from 1 to 6. "

15. anonymous

16. anonymous

yeah i get the picture the question is "how many tiles are labelled "5"?" this is not a trick question

17. anonymous

theres only 1

18. anonymous

whew!!

19. anonymous

1 right, not 3

20. anonymous

right

21. anonymous

ok so there is 1 labelled 5, and 6 all together what is the probability you pick the 5?

22. anonymous

2?

23. anonymous

guess my words above did not help a probability is a number between zero and one, it is never two it is the ration of the number of fives to the total number of tiles, i.e one out of six or as a fraction $\huge \frac{1}{6}$

24. anonymous

we are not done yet though

25. anonymous

ok whats next

26. anonymous

how many odd tiles are in the second bag?

27. anonymous

3

28. anonymous

right! and there are 6 tiles in the bag yes?

29. anonymous

yes

30. anonymous

ok now please to not say "2" what is the probability that you pick an odd tile out of the second bag

31. anonymous

3

32. anonymous

repeat after me a probability cannot be larger than 1

33. anonymous

ok so 1

34. anonymous

how many odd tiles?

35. anonymous

3

36. anonymous

how many tiles total?

37. anonymous

6

38. anonymous

ratio of the number of odd tiles to total number of tiles?

39. anonymous

1/6?

40. anonymous

how many odd tiles?

41. anonymous

$\frac{\text{number of odd tiles}}{\text{total number of tiles}}$

42. anonymous

3 so 3/6?

43. anonymous

yay!!

44. anonymous

ok one more step

45. anonymous

you want the probability of both of those, first is a 5 AND second is odd we have the probability of each probability of first one is $$\frac{1}{6}$$ probability of second one is $$\frac{3}{6}$$ take the numbers and multiply them i.e. $\frac{1}{6}\times \frac{3}{6}$

46. anonymous

is3/6

47. anonymous

that is not how you multiply fractions is it? multiply means multiply top and bottom

48. anonymous

the answer is $\frac{ 3 }{6 }$

49. anonymous

$\frac{1}{6}\times \frac{3}{6}=\frac{1\times 3}{6\times 6}$

50. anonymous

oh sorry 3/12

51. anonymous

$6\times 6=?$

52. anonymous

12

53. anonymous

no $$2\times 6=12$$ but $$6\times 6\neq 12$$

54. anonymous

36

55. anonymous

whew that is much better so now what is $\frac{1}{6}\times \frac{3}{6}$?

56. anonymous

3/36 :) can you help me with more please? ill tag you !

57. anonymous

yes got it on planet earth we call that $\frac{1}{12}$ but that is not one of your answer choices, so go witih $$\frac{3}{36}$$