【简答题】据以往资料表明,某一 3 口之家,患某种传染病的概率有以下规律:P(A)=P{孩子得 病}=0.6, P(B|A)=P{母亲得病|孩子得病}=0.5,P(C|AB)=P{父亲得病|母亲及孩子得病}=0.4。 求母亲及孩子得病但父亲未得病的概率。
【多选题】在银行议付时接受的提单有:
D.
Received for shipment B/L
【单选题】他是否有足够的智慧来解决这个问题?
A.
Is he enough wise to solve the problem?
B.
Is he wise enough to solve the problem?
【简答题】据以往资料表明,某一 3 口之家,患某种传染病的概率有以下规律: P ( A )= P { 孩子得病 }=0.6 , P ( B | A )= P { 母亲得病 | 孩子得病 }=0.5 , P ( C | AB )= P { 父亲得病 | 母亲及孩子得病 }=0.4 。则母亲及孩子得病但父亲未得病的概率为____________。 (用小数表示,小数点后保留2位小数)
【单选题】Which of the following statements is TRUE of “my father”?
B.
He did not like to take any preventive measures.
C.
He often visited doctors.
D.
He was wise enough to mind his own health.
【简答题】词汇 小题1:I am very sorry to keep you __________(wait) for so long. 小题2:Jack is ___________(energy) enough to be the host of the charity show. 小题3:He preferred buying a new computer to ___________ it. (f...