题目内容
(请给出正确答案)
[单选题]
坡度值i=()
A.Hi/Li*100%
B.Hi/Li*1000%
C.Li/Hi*100%
D.Li/Hi*1000%
答案
H
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A.Hi/Li*100%
B.Hi/Li*1000%
C.Li/Hi*100%
D.Li/Hi*1000%
H
设有如下推理规则。
r1:E1→H1LS=100,LN=0.1
r2:E2→H2LS=50,LN=0.5
r3:E3→H3LS=5,LN=0.05
且已知P(H1)=0.02,P(H2)=0.2,P(H3)= 0.4,请计算当证据E1,E2,E3存在或不存
在时P(Hi|Ei)或P(Hi|~Ei)的值各是多少(i=1,2,3)?
A.Hi, Chen Jie! I'm Amy
B.Hi, Amy! This is Chen Jie
C.Hi, Chen Jie! This is Amy
A.Are you Jenny?
B.It’s Jenny speakin
C.Hi, how are you?
D.I’m listenin
E.
A.I don’t think so
B.They are very beautiful
C.I think so
D.They are red
A.i=20sin(100πt-rc1π/6)A
B.i=0.4sin(100πt-n/6)A
C.i=0.4sin(100πt-π/3)A
D.i=0.4sin(100πt十π/3)A
A.All right
B.That’s right
C.Not at all
D.Never mind