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【单选题】
—Can you see a boy there? —No, _______. [ ]A.
I'm not
B.
I don't
C.
I can't
D.
I not can
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举一反三
【单选题】Suppose A and B are mutually exclusive s. Which of the following options is right ? ( )
A.
P(AB)=P(A)P(B)
B.
P(AB)=0
C.
P(AB)=P(A)-P(B)
D.
P(A)=1-P(A)
【简答题】Suppose A and B are two items in a store. A=>B [s=0.2, c=0.7] is a strong association rule obtained from market basket ysis. Which of the following are correct?A. 70% of customers who buy A also b...
【简答题】Suppose goods A and B are substitutes. If the price of good A increases, will the demand for good B increase or decrease?
【单选题】Suppose s A and B are exclusive, then which one of the following statements is true ( )?
A.
P(B|A) = 0
B.
A is independent with B
C.
D.
P(A+B) = 1
【单选题】Suppose that a and b are both of type int, and let a=3, b=7, the value of expression b/a is ( )
A.
2.3333
B.
2.3
C.
2
D.
3
【简答题】关于往来款项和库存现金的清查，下列说法正确的有( )。 A．往来款项的清查一般采用与对方对账的方法 B．往来款项的清查要按每一个经济往来单位填制往来款项对账单 C．采用查询核实法，对方单位经过核对相符后，在回联单上加盖公章退回，表示已经核对 D．现金盘点报告表不能作为调整账簿记录的原始凭证，不能根据现金盘点报告表进行账务处理
【简答题】Suppose goods A and B are complements. If the price of good A increases, will the demand for good B increase or decrease?
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