a*****g 发帖数: 1320 | 1 【 以下文字转载自 SanFrancisco 讨论区 】
发信人: ashuang (不要迷恋哥,哥只是个传说), 信区: SanFrancisco
标 题: 中学数学题求教 --Thanks a lot!!
发信站: BBS 未名空间站 (Sun Nov 14 16:26:49 2010, 美东)
1)IF MINH PICKS A LETTER OF THE ALPHABET AT RANDOM, WHAT IS THE PROBABILITY
IT OCCURS IN THE NAME "HETTIESBURG, MISSISSIPI"?EXPRESS YOUR ANSWER AS 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 AN DON E MORE COLUMN.WHAT IS THE RATIO OF THE NUMBER
OF DOTS IN P50 TOTHE NUMBER OF DOTS IN P25?EXPRESS YOUR ANSWER AS A COMMON
FRACTION. | s*******y 发帖数: 46535 | 2 这个妈妈太令人崇拜了,我家宝宝以后学什么我也要这样
PROBABILITY
【在 a*****g 的大作中提到】 : 【 以下文字转载自 SanFrancisco 讨论区 】 : 发信人: ashuang (不要迷恋哥,哥只是个传说), 信区: SanFrancisco : 标 题: 中学数学题求教 --Thanks a lot!! : 发信站: BBS 未名空间站 (Sun Nov 14 16:26:49 2010, 美东) : 1)IF MINH PICKS A LETTER OF THE ALPHABET AT RANDOM, WHAT IS THE PROBABILITY : IT OCCURS IN THE NAME "HETTIESBURG, MISSISSIPI"?EXPRESS YOUR ANSWER AS 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.
| a*****g 发帖数: 1320 | 3 ONE MORE: HOW MANY FIVE DIGIT INTERGERS ARE PERFECT SQUARE?
PROBABILITY
【在 a*****g 的大作中提到】 : 【 以下文字转载自 SanFrancisco 讨论区 】 : 发信人: ashuang (不要迷恋哥,哥只是个传说), 信区: SanFrancisco : 标 题: 中学数学题求教 --Thanks a lot!! : 发信站: BBS 未名空间站 (Sun Nov 14 16:26:49 2010, 美东) : 1)IF MINH PICKS A LETTER OF THE ALPHABET AT RANDOM, WHAT IS THE PROBABILITY : IT OCCURS IN THE NAME "HETTIESBURG, MISSISSIPI"?EXPRESS YOUR ANSWER AS 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.
| r*****g 发帖数: 7139 | 4 不要迷恋math count!
PROBABILITY
【在 a*****g 的大作中提到】 : ONE MORE: HOW MANY FIVE DIGIT INTERGERS ARE PERFECT SQUARE? : : PROBABILITY
| a*****g 发帖数: 1320 | 5 为父当如梁启超
【在 s*******y 的大作中提到】 : 这个妈妈太令人崇拜了,我家宝宝以后学什么我也要这样 : : PROBABILITY
| R****a 发帖数: 199 | 6 integers between (floor)sqrt(99999) and (floor)sqrt(10000) -> 217
【在 a*****g 的大作中提到】 : ONE MORE: HOW MANY FIVE DIGIT INTERGERS ARE PERFECT SQUARE? : : PROBABILITY
| a*****g 发帖数: 1320 | 7 谢谢你。
【在 R****a 的大作中提到】 : integers between (floor)sqrt(99999) and (floor)sqrt(10000) -> 217
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