The more depressed he got, the more he ________ drink. |
[ ] |
A. watched out B. believed in C. turned to D. stuck to |
The more depressed he got, the more he ________ drink. |
[ ] |
A. watched out B. believed in C. turned to D. stuck to |
设(X,Y)的分布律为V=max(X,Y), 则P(V=1)等于
A、1/7
B、2/7
C、3/7
D、4/7
(1)求Y的边缘分布律;
(2)求P{Y=0|X=0}, P{Y=1|X=0};
(3)判定X与Y是否独立。
(1)求P{X=2|Y=2},P{Y=3|X=0};
(2)求V=max(X,Y)的分布律;
(3)求U=min(X,Y)的分布律。
A、To have a complete view of RNA methylation profiles, we quantified the methylation content in various adult mouse tissues.
B、The cerebellum has more RNAs than the cortex.
C、Protein modifications are marks such as phosphorylation and methylation.
D、Neuronal cells have higher methylation rates than astrocytes.
B.A sampling method which involves having a constant sampling interval, the starting point for testing is determined randomly.
C.A sampling method in which the auditor selects a block of contiguous items from within the population.
D.Testing items with a certain characteristiC.
在刚体上任取两点P1和P2,两点的位置矢量分别为和,两点的速度矢量分别为和,利用刚体的性质,必有
A、0
B、
C、
D、
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