下述哪个是二项分布B(n,p)的概率母函数的正确形式()
A: [img=170x25]18037d49e87c630.png[/img]
B: [img=170x25]18037d49f136429.png[/img]
C: [img=170x25]18037d49fa3ee55.png[/img]
D: [img=170x25]18037d4a03b98e9.png[/img]
A: [img=170x25]18037d49e87c630.png[/img]
B: [img=170x25]18037d49f136429.png[/img]
C: [img=170x25]18037d49fa3ee55.png[/img]
D: [img=170x25]18037d4a03b98e9.png[/img]
举一反三
- 理想气体在等温条件下反抗恒定外压膨胀,该变化过程中系统的熵变[img=46x25]18034bb49014390.png[/img]及环境的熵变[img=52x23]18034bb4991bea9.png[/img]应为( )。 A: [img=170x25]18034bb4a1ab521.png[/img] B: [img=170x25]18034bb4ab987e1.png[/img] C: [img=170x25]18034bb4b42375d.png[/img] D: [img=170x25]18034bb4bd67ccf.png[/img]
- 方程[img=152x44]1803b6302b71e14.png[/img]的通解为 A: [img=170x25]1803b630348b0d9.png[/img] B: [img=170x25]1803b6303d4725d.png[/img] C: [img=179x29]1803b6304547ebb.png[/img] D: [img=185x29]1803b630519e26c.png[/img]
- 下列取代基名称与结构式不一致的是 A: [img=155x25]18035849d397b11.gif[/img] B: [img=170x25]18035849dfd0cea.gif[/img] C: [img=193x33]18035849ea70dd6.gif[/img] D: [img=170x25]18035849f4e0563.gif[/img]
- 下列取代基名称与结构式不一致的是 A: [img=155x25]18035aa9a0afe48.gif[/img] B: [img=170x25]18035aa9aaa0139.gif[/img] C: [img=193x33]18035aa9b42cbb2.gif[/img] D: [img=170x25]18035aa9bf3dc08.gif[/img]
- 下列取代基名称与结构式不一致的是 A: [img=155x25]180359819a64659.gif[/img] B: [img=170x25]18035981a484e22.gif[/img] C: [img=193x33]18035981ae36659.gif[/img] D: [img=170x25]18035981b891881.gif[/img]