首页
登录
职称英语
In an animal behavior experiment, 50 tagged white pigeons and 200 tagged gray pi
In an animal behavior experiment, 50 tagged white pigeons and 200 tagged gray pi
游客
2024-01-14
82
管理
问题
In an animal behavior experiment, 50 tagged white pigeons and 200 tagged gray pigeons were released from a laboratory. Within one week, 88 percent of the white pigeons and 80.5 percent of the gray pigeons had returned to the laboratory. What percent of the total number of pigeons returned to the laboratory?
选项
A、80.5
B、82
C、82.5
D、85
E、86.5
答案
B
解析
88% of 50 is 44, and 80.5% of 200 is 161.44+161=205. 205/250 total pigeons=0.82=82%.
转载请注明原文地址:https://tihaiku.com/zcyy/3360424.html
相关试题推荐
Ican_____youthattheanimalsarewellcaredforinourzoo,soyouneedn’tw
Experimentsinthephotographyofmovingobjects______inboththeUnitedState
Theexperiment,______willsoonbeannounced,wasdonebymycolleagues.A、whose
DuringatriptoobservewildanimalsinAfrica,Iencounteredtheleastbrav
DuringatriptoobservewildanimalsinAfrica,Iencounteredtheleastbrav
DuringatriptoobservewildanimalsinAfrica,Iencounteredtheleastbrav
DuringatriptoobservewildanimalsinAfrica,Iencounteredtheleastbrav
DuringatriptoobservewildanimalsinAfrica,Iencounteredtheleastbrav
DuringatriptoobservewildanimalsinAfrica,Iencounteredtheleastbrav
DuringatriptoobservewildanimalsinAfrica,Iencounteredtheleastbrav
随机试题
Whenaninventionismade,theinventorhasthreepossiblecoursesofaction
Nogovernment,anymorethananindividual,willlongbe______,withoutbeingt
公文最基本的作用和功能是()。A.领导和指导 B.联系和关照 C.依据和凭
新建建筑的坡道及其栏杆设计的表述,哪一条是不恰当的?()A.幼儿园设置坡道,
施工阶段质量控制的目标是确保工序质量合格。
张某和李某约定,如果李某能够考上重点大学,张某就赠与李某名牌钢笔一支。李某请求张
患者,男性,20岁,1周前开始出现高热,持续不退,伴有食欲下降,大便干燥,轻度腹
1.企业文化评价工程年度业绩考核管理流程是什么?
各种运输方式内外部的各个方面的构成和联系,就是( )。 A.运输系统
“大学之教也,时教必有正业,退息必有居学。”这句话出自( )A.《学记》 B
最新回复
(
0
)