A. 1/9 B. 1/6 C. 5/6 D. 4/9
2007-03-22 17:28:15 · 4 answers · asked by Maat 1 in Science & Mathematics ➔ Mathematics
A. 1/9 B. 1/6 C. 5/6 D. 4/9
2007-03-22 17:29:51 · update #1
b. 6/36 = 1/6
Looking at the sample space:
_|_1_2_3_4_5_6_
1 | 2 3 4 5 6 7
2 | 3 4 5 6 7 8
3 | 4 5 6 7 8 9
4 | 5 6 7 8 9 10
5 | 6 7 8 9 10 11
6 | 7 8 9 10 11 12
Of these 36 sums, 6 are at most four, so 6/36 = 1/6.
2007-03-22 17:33:33 · answer #1 · answered by blahb31 6 · 1⤊ 0⤋
You can solve this by listing. Possibilities:
1, 1
1, 2
1, 3
2, 1
2, 2
3, 1
6 ways to get four or less.
36 possible "roll" combinations.
6/36 = 1/6 B
2007-03-23 00:34:28 · answer #2 · answered by ecolink 7 · 1⤊ 0⤋
6 rolls out of 36 or 1/6
2007-03-23 00:37:42 · answer #3 · answered by --------------- 2 · 0⤊ 0⤋
c. is the right answer
2007-03-23 10:37:06 · answer #4 · answered by Nikya 3 · 0⤊ 1⤋