已选分类
管理学工商管理
单选题 LEAGUE RESULTS Team Number of Games Won A 4 B 7 C 9 D 2 E 2 X According to the incomplete table above, if each of the 6 teams in the league played each of the other teams exactly twice and there were no ties, how many games did team X win? (Only 2 teams play in a game.) (A) 4 (B) 5 (C) 6 (D) 8 (E) 10
单选题A certain clock marks every hour by striking a number of times equal to the hour and the time required for a stroke is exactly equal to the time interval between strokes. At 6:00 the time lapse between the beginning of the first stroke and the end of the last stroke is 22 seconds. At 12:00, how many seconds elapse between the beginning of the first stroke and the end of the last stroke?
单选题Iftheareaofthecircleaboveis64π,whatisthevalueofk?
单选题预测分析报告要求( )。 A．目标集中，重点突出，认识深刻 B．具有针对性，单刀直入 C．有较强的时效性 D．数据准确，定量分析与定性分析结合，提出预测结果具有的置信区间和可信度
单选题Caterpillars off all species produce an identical hormone called "juvenile hormone" that maintains feeding behavior. Only when a caterpillar has grown to the right size for pupation to take place does a special enzyme halt the production of juvenile hormone. This enzyme can be synthesized and will, on being ingested by immature caterpillars, kill them by stopping them from feeding.
Which of the following, if true, most strongly supports the view that it would not be advisable to try to eradicate agricultural pests that go through a caterpillar stage by spraying croplands with the enzyme mentioned above?
单选题在其他条件不变的情况下，下列说法正确的是 A．置信概率越大，所需的样本容量也就越小 B．样本容量与总体方差成反比 C．样本容量与边际误差的平方成正比 D．样本容量与边际误差的平方成反比
单选题Foragroupofnpeople,kofwhomareofthesamesex,theexpressionyieldsanindexforacertainphenomenoningroupdynamicsformembersofthatsex.Foragroupthat,consistsof20people,4ofwhomarefemales,byhowmuchdoestheindexforthefemalesexceedtheindexforthemalesinthegroup?
单选题将统计总体按照一定标志区分为若干个组成部分的统计方法是( )。 A．统计整理 B．统计分析 C．统计调查 D．统计分组
单选题Since applied scientific research is required for technological advancement, many have rightly urged an increased emphasis in universities on applied research. But we must not give too little attention to basic research, even though it may have no foreseeable application, for tomorrow"s applied research will depend on the basic research of today.
If the statements above are true, which of the following can be most reliably inferred?
单选题某省1995～2005年按年排列的第三产业占全部产业比重的时间数列是( )。 A．比较相对指标时间数列 B．强度相对指标时间数列 C．结构相对指标时间数列 D．平均指标时间数列
单选题If n is a positive integer and k+2=3n, which of the following could NOT be a value of K?
单选题Is the integer n a multiple of 140?
(1) n is a multiple of 10.
(2) n is a multiple of 14.
单选题If n and p are different positive prime numbers, which of the integers n4, p2, and np has (have) exactly 4 positive divisors? (A) n4only (B) p3only (C) nponly (D) n4andnp (E) p3andnp
单选题某企业7月份计划要求成本降低3/%，实际降低5/%，则( )计划程度。 A．超额完成2.06/% B．完成97.94/% C．超额完成5/% D．完成95/%
单选题某高新技术开发区现有人口11万，有8家医院(其病床数合计为700床)，则该开发区每万人的病床数为63.636。这个指标属于( )。 A．平均指标 B．相对指标 C．总量指标 D．发展水平指标
单选题∑q1p0-∑q0p0表示( )。 A．N于价格变动引起的产值增减数 B．由于价格变动引起的产量增减数 C．由于产量变动引起的价格增减数 D．N于产量变动引起的产值增减数
单选题身高y与体重x之间的关系是( )。 A．函数关系 B．无关系 C．互为因果关系 D．严格的依存关系
单选题在相关分析中，对两个变量的要求是( )。 A．都是随机变量 B．都不是随机变量 C．一个是随机变量，一个是确定性变量 D．都是确定性变量
单选题At a certain university, if 50 percent of the people who inquire about admission policies actually submit applications for admission, what percent of those who submit applications for admission enroll in classes at the university? (1)Fifteen percent of those who submit applications for admission are accepted at the university. (2)Eighty percent of those who are accepted send a deposit to the university.
单选题QuadrilateralRSTUshownaboveisasiteplanforaparkinglotinwhichsideRUisparalleltosideSTandRUislongerthanST.Whatistheareaoftheparkinglot?(1)RU=80meters(2)TU=meters