2011年臺灣省大學(xué)入學(xué)學(xué)科能力測驗(yàn)考試數(shù)學(xué)試卷
發(fā)布:2024/4/20 14:35:0
一、解答題(共13小題,滿分0分)
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1.有一箱子,內(nèi)有3黑球與2白球.有一游戲,從箱子中任取出一球.假設(shè)每一顆球被取出的機(jī)率都相同,若取出黑球可得獎金50元,而取出白球可得獎金100元,則下列哪一個選項(xiàng)是此游戲的獎金期望值?
(1)70元 (2)75元 (3)80元 (4)85元 (5)90元.組卷:50引用:1難度:0.9 -
2.多項(xiàng)式4(x2+1)+(x+1)2(x-3)+(x-1)3等于下列哪一個選項(xiàng)?
(1)x(x+1)2(2)2x(x-1)2(3)x(x-1)(x+1)
(4)2(x-1)2(x+1)(5)2x(x-1)(x+1)組卷:28引用:1難度:0.9 -
3.設(shè)
,n為正整數(shù),且知an皆為正.令bn=lgan,則數(shù)列b1,b2,b3,…為(an+1)2=110(an)2
(1)公差為正的等差數(shù)列
(2)公差為負(fù)的等差數(shù)列
(3)公比為正的等比數(shù)列
(4)公比為負(fù)的等比數(shù)列
(5)既非等差亦非等比數(shù)列.組卷:93引用:1難度:0.5 -
4.坐標(biāo)平面上滿足方程式
的點(diǎn)(x,y)所構(gòu)成的圖形為(x252+y242)(x232-y242)=0
(1)只有原點(diǎn)
(2)橢圓及原點(diǎn)
(3)兩條相異直線
(4)橢圓及雙曲線
(5)雙曲線及原點(diǎn).組卷:167引用:1難度:0.9 -
5.請問下面哪一個選項(xiàng)是正確的?
(1)37<73
(2)510<105
(3)2100<1030
(4)log23=1.5
(5)log211<3.5.組卷:129引用:1難度:0.7 -
6.根據(jù)臺灣壽險業(yè)的資料,男性從0歲、1歲、…到60歲各年齡層的死亡率
(單位:%)依序?yàn)?br />1.0250,0.2350,0.1520,0.1010,0.0720,0.0590,0.0550,0.0540,0.0540,0.0520,
0.0490,0.0470,0.0490,0.0560,0.0759,0.1029,0.1394,0.1890,0.2034,0.2123,
0.2164,0.2166,0.2137,0.2085,0.2019,0.1948,0.1882,0.1830,0.1799,0.1793,
0.1813,0.1862,0.1941,0.2051,0.2190,0.2354,0.2539,0.2742,0.2961,0.3202,
0.3472,0.3779,0.4129,0.4527,0.4962,0.5420,0.5886,0.6346,0.6791,0.7239,
0.7711,0.8229,0.8817,0.9493,1.0268,1.1148,1.2139,1.3250,1.4485,1.5851,
1.7353.
經(jīng)初步整理后,已知61個資料中共有24個資料小于0.2.請問死亡率資料的中位數(shù)為下列哪一個選項(xiàng)?
(1)0.2034 (2)0.2164 (3)0.2137 (4)0.2085 (5)0.2019.組卷:60引用:1難度:0.7
二、填空題(共7小題,每小題3分,滿分21分)
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19.設(shè)E1:
(其中a>0)為焦點(diǎn)在(3,0),(-3,0)的橢圓;E2:焦點(diǎn)在(3,0)且準(zhǔn)線為x=-3的拋物線.已知E1,E2的交點(diǎn)在直線x=3上,則a=.x2a2+y2b2=1組卷:400引用:1難度:0.5 -
20.H:x-y+z=2為坐標(biāo)空間中一平面,L為平面H上的一直線.已知點(diǎn)P(2,1,1)為L上距離原點(diǎn)O最近的點(diǎn),則為L的方向向量.
組卷:466引用:1難度:0.5