首页
登录
职称英语
[img]2014m9x/ct_egreqj_egreqtbz1_0250_20148[/img]The figure above shows a norma
[img]2014m9x/ct_egreqj_egreqtbz1_0250_20148[/img]The figure above shows a norma
游客
2025-02-24
28
管理
问题
The figure above shows a normal distribution with mean m and standard deviation d, including approximate percents of the distribution corresponding to the six regions shown.
Suppose the heights of a population of 3,000 adult penguins are approximately normally distributed with a mean of 65 centimeters and a standard deviation of 5 centimeters.
(a)Approximately how many of the adult penguins are between 65 centimeters and 75 centimeters tall?
(b)If an adult penguin is chosen at random from the population, approximately what is the probability that the penguin s height will be less than 60 centimeters? Give your answer to the nearest 0.05. [br]
选项
答案
1,440
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3970191.html
相关试题推荐
Itxandyareintegersandx=[img]2015m7x/ct_egreqm_egreqjs_0043_20153[/img],
[img]2014m9x/ct_egreqj_egreqtbz1_0250_20148[/img]Thefigureaboveshowsanorma
Thefigurebelowshowstwoconcentriccircles,eachwithcenterO.Giventhatth
Inthefigurebelow,AB=BC=CD.IftheareaoftriangleCDEis42,whatisth
Inthefigurebelow,AC=BC.Findthevaluesofxandy.[img]2014m9x/ct_egreqj
Ifxy2=12andxy=4,thenx=A、1B、2C、[img]2015m7x/ct_egreqj_egreqjs_0062_201
[img]2015m7x/ct_egreqj_egreqjs_0045_20151[/img]PointsA,B,C,andDareonthe
Compute(-15)3.-3,375Enter15[img]2015m7x/ct_egreqj_egreqjs_0031_20151[/img]toge
Compute4+[img]2015m7x/ct_egreqj_egreqjs_0028_20151[/img].7.365[img]2015m7x/ct_
[img]2015m7x/ct_egreqj_egreqtbz1_0102_20151[/img]*Foreachyear,theworktime,
随机试题
Forthispart,youareallowed30minutestowritealettertoexpressyourcong
【B1】[br]【B20】A、dryB、snowyC、rainyD、mistyC词义辨析题。全篇文章谈的都是rain,所以可以推断出一定是雨季,故r
某机房改造工程,由于业主单位原因,导致增容的不间断电源系统没有使用房间而迟迟不能
A.无骨膜反应 B.骨膜反应明显,瘤骨呈"日光放射"样改变 C.骨膜增生,有
下列不属于重点领域立法的是( )。A.完善市场经济法律制度 B.推进社会主义
患者,男,50岁。素体肥胖,胸闷憋气,时感胸痛,甚则胸痛彻背,舌质紫暗,苔薄腻,
如果把一个小功率二极管直接同一个电源电压为1.5V、内阻为零的电池实行正向连接,
下列业务中不属于对公理财业务的是()。A:现金管理服务B:企业咨询服务C:财
哪种疾病用青霉素治疗可引起赫氏反应A.草绿色链球菌心内膜炎 B.梅毒 C.气
进行单一产品的本量利分析时,下列关于利润的计算公式中,正确的有()。A.利润=
最新回复
(
0
)