设随机变量X，Y均服从正态分布，[tex=6.0x1.286]/ZR0dAzaI7eKAw6bIvA7M9vEktdejpoVk46zffnYIOrPQSFLFEYeuGafGbNwG7+2[/tex]，[tex=5.857x1.286]mSwy1LlzIpZh/7u+rnVzCzISW9xJM1CVYxTB6GhHUS0Pel5PHJdnfQPX4nCoWomv[/tex]，记[tex=8.429x1.286]gcnSYvIjNYC+x/nJQip9u41mUgcQGwzLOGpkbP0WGD0=[/tex]，[tex=8.286x1.286]HF/dJ5uNVGoxduBrGE1mE/mioCVhZFeh2L9jfB9c8I8=[/tex]，则
未知类型：{'options': ['对任何实数[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]，都有[tex=3.143x1.286]4mK0F7ApSrBjXHZ0TtLJPGBUgWzQJ1CvyXtI/VoFkOk=[/tex]', '对任何实数[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]，都有[tex=3.143x1.286]YhIIDd7/cEwUQb3xvUt0dzEgK9IHj11gL+KsEj4X/Fw=[/tex]', '只对[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]的个别值，才有[tex=3.143x1.286]4mK0F7ApSrBjXHZ0TtLJPGBUgWzQJ1CvyXtI/VoFkOk=[/tex]', '对任何实数[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]，都有[tex=3.143x1.286]xqsFSnJUF6+Xj1n1A3IhljbIK13LJa6Dwb6Iwn5KkHY=[/tex]'], 'type': 102}
未知类型：{'options': ['对任何实数[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]，都有[tex=3.143x1.286]4mK0F7ApSrBjXHZ0TtLJPGBUgWzQJ1CvyXtI/VoFkOk=[/tex]', '对任何实数[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]，都有[tex=3.143x1.286]YhIIDd7/cEwUQb3xvUt0dzEgK9IHj11gL+KsEj4X/Fw=[/tex]', '只对[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]的个别值，才有[tex=3.143x1.286]4mK0F7ApSrBjXHZ0TtLJPGBUgWzQJ1CvyXtI/VoFkOk=[/tex]', '对任何实数[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]，都有[tex=3.143x1.286]xqsFSnJUF6+Xj1n1A3IhljbIK13LJa6Dwb6Iwn5KkHY=[/tex]'], 'type': 102}
举一反三
- set1 = {x for x in range(10)} print(set1) 以上代码的运行结果为？ A: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} B: {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10} C: {1, 2, 3, 4, 5, 6, 7, 8, 9} D: {1, 2, 3, 4, 5, 6, 7, 8, 9,10}
- >>>x= [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9]>>>print(x.sort()) 语句运行结果正确的是( )。 A: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] B: [10, 6, 0, 1, 7, 4, 3, 2, 8, 5, 9] C: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] D: ['2', '4', '0', '6', '10', '7', '8', '3', '9', '1', '5']
- 若要将一个长度为N=16的序列x(n)重新位倒序,作为某一FFT算法的输入,则位倒序后序列的样本序号为( )。 A: x(15), x(14), x(13), x(12), x(11), x(10), x(9), x(8), x(7), x(6),<br/>x(5), x(4), x(3), x(2), x(1), x(0) B: x(0), x(4), x(2), x(6), x(1), x(5), x(3), x(7), x(8), x(12), x(10),<br/>x(14), x(9), x(13), x(11), x(15) C: x(0), x(2), x(4), x(6), x(8), x(10), x(12), x(14), x(1), x(3), x(5),<br/>x(7), x(9), x(11), x(13), x(15) D: x(0), x(8), x(4), x(12), x(2), x(10), x(6), x(14), x(1), x(9), x(5),<br/>x(13), x(3), x(11), x(7), x(15)
- 【计算题】5 ×8= 6×4= 7×7= 9×5= 2×3= 9 ×2= 8×9= 7×8= 5×5= 4×3= 5+8= 6 ×6= 3×7= 4×8= 9×3= 1 ×2= 9×9= 6×8= 8×0= 4×7=
- 设随机变量[tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex]与[tex=0.857x1.286]h9C4nePGcGllh55hxKIsUw==[/tex]相互独立，且都服从正态分布[tex=3.643x1.286]h9/LCQOgYnwYRcjtSMbcP3eaZijaOFFnIW0aZe/K1Bk=[/tex]，则[tex=7.071x1.286]4nMaoi+uYNW1qezPnQq+hZGMn7XcwWi+ujmzZRixKLClkR0mbj90m63U0pmhGQz0[/tex]（ ） 未知类型：{'options': ['与[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]无关，而与[tex=1.0x1.286]DKgN4cb19EMe3aJ4s2Brvriap2BsSxVaNWV2G7fjHlA=[/tex]有关\xa0', '与[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]有关，而与[tex=1.0x1.286]DKgN4cb19EMe3aJ4s2Brvriap2BsSxVaNWV2G7fjHlA=[/tex]无关\xa0', '与[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]，[tex=1.0x1.286]DKgN4cb19EMe3aJ4s2Brvriap2BsSxVaNWV2G7fjHlA=[/tex]都有关\xa0', '与[tex=0.643x1.286]LHHF5r8Y9VBlpolr/GDm2w==[/tex]，[tex=1.0x1.286]DKgN4cb19EMe3aJ4s2Brvriap2BsSxVaNWV2G7fjHlA=[/tex]都无关\xa0'], 'type': 102}