首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
A certain jar contains 100 jelly beans: 50 white, 30 green, 10 yellow, 5 red, 4 purple, and 1 black. If a jelly bean is to be ch
A certain jar contains 100 jelly beans: 50 white, 30 green, 10 yellow, 5 red, 4 purple, and 1 black. If a jelly bean is to be ch
admin
2009-05-19
147
问题
A certain jar contains 100 jelly beans: 50 white, 30 green, 10 yellow, 5 red, 4 purple, and 1 black. If a jelly bean is to be chosen at random, what is the probability that the jelly bean will be neither purple nor red?
选项
A、0.09
B、0.11
C、0.55
D、0.91
E、0.96
答案
D
解析
一个罐子中装有100粒果冻豆:50粒白的,30粒绿的,10粒黄的,5粒红的,4粒紫的,l粒黑的。若从中随机挑出一粒果冻豆,问该粒果冻豆既不是紫色,又不是红色的概率是多大?
解:本题的正确答案是(D)。因为红色有5粒,紫色有4粒,且挑出任一粒的概率相同,所以随机挑出的果冻豆既不是红色又不是紫色的概率为:(100-9)/100=0.91
转载请注明原文地址:https://kaotiyun.com/show/eHkO777K
本试题收录于:
GRE QUANTITATIVE题库GRE分类
0
GRE QUANTITATIVE
GRE
相关试题推荐
Treesareusefultomaninthreeimportantways:theyprovidehimwithwoodandotherproducts;theygivehimshade;andtheyhe
Whatdowemeanbyasatisfactorystandardofliving?Obviously,itmustincludethebasicnecessitiesoflifesuchasfood,clo
______workhasbeendonetoimprovepeople’slivingstandard.
Student:ImeanIwanttodosomeoftheseproblems.Teacher:Yeah.Student:Butit’stakingtimetodothem.Teacher:Whenwec
KidsoftenaskScoutBassett,ofPalmDesert,California,ifshewishesshehadtwonormallegs.Scout,18,answers,"No.Ihave
CharlesDickenswasbornin1812inPortsmouth,England.Hewasthesecondofeightchildren.Hisfatheralwayshadproblemswit
Nowletuslookathowweread.74.Whenwereadaprintedtext,oureyesmoveacrossapageinshort,jerkymovement.Werecogn
Therewasalargecrowdinthesquare______againstthewar.
Whatistheperimeterofasquarewitharea?
Columnist:MetroCityhasalowerpercentageofresidentswithhumanitiesdegreesthananyothercityofcomparablesizeinour
随机试题
为什么国家在共产主义社会将自行消亡?
关于静脉血压。下列叙述错误的是
简述生物对风的适应。
A.呕吐伴腹痛、腹泻、发热B.呕吐伴眩晕,眼球震颤C.呕吐物有粪臭味伴腹痛、腹胀、不排便D.呕吐伴右上腹痛、发热、寒战、黄疸E.呕吐伴头痛,意识障碍,偏瘫下列临床表现最有可能的诊断为肠梗阻
最有效缓解心绞痛的药物是
下列各项中,不属于急性心力衰竭中医证型的是()
下列关于总分类账户与明细分类账户关系的表述中,不正确的是()。
在鲜花盛开、草木葱茏的阳春三月,人们常有“花在微笑、草在点头”的愉悦,这种情绪状态是()。
JazzJazzbeganintheearly20thcenturyasamusicof【1】______Americans.Thefirst【1】______jazzr
WhatisnotimportantinNewZealand?
最新回复
(
0
)