a*****g
发帖数: 1320 | 1 【 以下文字转载自 Quant 讨论区 】
发信人: ashuang (不要迷恋哥，哥只是个传说), 信区: Quant
标 题: 3 more middle school math problem, many thanks.
发信站: BBS 未名空间站 (Sun Nov 14 21:47:14 2010, 美东)
)If MINH picks a letter of the alphabet at random, what is the probability
it occurs in the name "HETTIESBURG, MISSISSIPI"? Express your answer a
common fraction.
2) Three fair six-sided number cubes, each with faces labeled 0,2,4,6,8,10,
are rolled. What is the probability that the sum of the numbers rolled is
greater than 20? Express your answer as a common fraction.
3) In the patterns of dots with p1,p2,p3 and p4, each successive pattern of
dots has one more row and one more column. What is the ratio of the number
of dots in p50 to the number of dots in p25? Express your answer as a common
fraction. | a*****g
发帖数: 1320 | 2
,
of
【在 a*****g 的大作中提到】
: 【 以下文字转载自 Quant 讨论区 】
: 发信人: ashuang (不要迷恋哥，哥只是个传说), 信区: Quant
: 标 题: 3 more middle school math problem, many thanks.
: 发信站: BBS 未名空间站 (Sun Nov 14 21:47:14 2010, 美东)
: )If MINH picks a letter of the alphabet at random, what is the probability
: it occurs in the name "HETTIESBURG, MISSISSIPI"? Express your answer a
: common fraction.
: 2) Three fair six-sided number cubes, each with faces labeled 0,2,4,6,8,10,
: are rolled. What is the probability that the sum of the numbers rolled is
: greater than 20? Express your answer as a common fraction.
| x******i
发帖数: 3022 | 3
Regardless of the probability, MINH still fails because he misspelled
Mississippi.
,
of
【在 a*****g 的大作中提到】
:
: ,
: of
| g**********d
发帖数: 103 | 4 oh
【在 a*****g 的大作中提到】
:
: ,
: of
|
|
