设X,Y为两个随机变量,且P{X ³0,Y ³ 0} = 3/7 , P{X ³ 0} = P{ Y ³ 0} = 4/7 ,则P{max(X, Y) ³ 0} = ( ). A: 1/7 B: 3/7 C: 4/7 D: 5/7
设X,Y为两个随机变量,且P{X ³0,Y ³ 0} = 3/7 , P{X ³ 0} = P{ Y ³ 0} = 4/7 ,则P{max(X, Y) ³ 0} = ( ). A: 1/7 B: 3/7 C: 4/7 D: 5/7
中国大学MOOC: 设X,Y为两个随机变量,且P{X ³0,Y ³ 0} = 3/7 , P{X ³ 0} = P{ Y ³ 0} = 4/7 ,则P{max(X, Y) ³ 0} = ( ).
中国大学MOOC: 设X,Y为两个随机变量,且P{X ³0,Y ³ 0} = 3/7 , P{X ³ 0} = P{ Y ³ 0} = 4/7 ,则P{max(X, Y) ³ 0} = ( ).
int x = 1, y =6; A: x = 6 y = 0 B: x = 7 y = 0 C: x = 6 y = -1 D: x = 7 y = -1 E: Compilation fails.
int x = 1, y =6; A: x = 6 y = 0 B: x = 7 y = 0 C: x = 6 y = -1 D: x = 7 y = -1 E: Compilation fails.
阅读下面的java语言代码,输出结果是( )。 int x, y = 1, z=0; if( z < 0 ) x= 3; else if ( y == 0 ) x= 5; else x= 7; System.out.println(x+”,”+ y); A: 7, 0 B: 7, 1 C: 3, 3 D: 以上都不正确
阅读下面的java语言代码,输出结果是( )。 int x, y = 1, z=0; if( z < 0 ) x= 3; else if ( y == 0 ) x= 5; else x= 7; System.out.println(x+”,”+ y); A: 7, 0 B: 7, 1 C: 3, 3 D: 以上都不正确
下了语句的执行结果是11。x = [4, 0, 7]y = float(x[0] + x[2])print(y)
下了语句的执行结果是11。x = [4, 0, 7]y = float(x[0] + x[2])print(y)
下面的C语言代码,输出结果是:( )int x, y, z;y=1;z=0;if ( z <; 0 ){x = 3;}else if ( y = = 0 ){x = 5;}else{x = 7;}printf("x=%d",x); A: x=3 B: x=5 C: x=7 D: x为随机数
下面的C语言代码,输出结果是:( )int x, y, z;y=1;z=0;if ( z <; 0 ){x = 3;}else if ( y = = 0 ){x = 5;}else{x = 7;}printf("x=%d",x); A: x=3 B: x=5 C: x=7 D: x为随机数
阅读以下程序,选择程序的输出结果 A: x = -5 y = -1 B: x =- 7 y = 0 C: x =- 6 y = -1 D: x = 7 y = -1
阅读以下程序,选择程序的输出结果 A: x = -5 y = -1 B: x =- 7 y = 0 C: x =- 6 y = -1 D: x = 7 y = -1
#include void main() { int i=0,x=0,y=0; do{ ++i; if(i%2!=0){x=x+i;i++;} y=y+i++; }while(i<=7); cout<<“x=”< x=1 y=20
#include void main() { int i=0,x=0,y=0; do{ ++i; if(i%2!=0){x=x+i;i++;} y=y+i++; }while(i<=7); cout<<“x=”< x=1 y=20
已知\( {y^{(5)}} = \cos x \),则\( {y^{(7)}}\left| {_{x = 0}} \right. \)为 .______
已知\( {y^{(5)}} = \cos x \),则\( {y^{(7)}}\left| {_{x = 0}} \right. \)为 .______
下列语句的执行结果是40。x = [4, 0, 7]y = str(x[0]) + str(x[1])print(y)
下列语句的执行结果是40。x = [4, 0, 7]y = str(x[0]) + str(x[1])print(y)