信用卡轉貸手續費哪一家銀行比較低 臺銀個人信貸和三信個人信貸

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標題:

有關probability

信貸轉貸划算嗎？(想找開辦費低,利率低)代辦勿擾發問:

1. Bag A contains 4 red balls and 6 green balls. Bag B contains 2 red balls & 2 green balls. One ball is randomly drawn from A and put into bag B. Then one ball is drawn from bag B randomly. Find the probability that the ball drawn from bag B is(a) red?(b) green?2. There are 2 white, 4 green... 顯示更多 1. Bag A contains 4 red balls and 6 green balls. Bag B contains 2 red balls & 2 green balls. One ball is randomly drawn from A and put into bag B. Then one ball is drawn from bag B randomly. Find the probability that the ball drawn from bag B is (a) red? (b) green? 2. There are 2 white, 4 green and 5 red balls in a bag. Two balls are drawn at random with replacement. What is the probability that (a) both are red? (b) both are of the same colour? (c) they are different in colour? 3. The probability that a door is locked is 2/3. In a bunch of 5 keys, 1 key can unlock the door. What is the probability t這樣貸款年利率是多少算高還是低hat a man can open the door by choosing 2 keys randomly? 4. In a school, there are 380 boys and 420 girls, and 45% of boys and 40% of girls are wearing glasses. If a student chosen randomly from the school is wearing glasses. Find the probability that it is a boy.

最佳解答:

1. Bag A contains 4 red balls and 6 green balls．Bag B contains 2 red balls and2 green balls．One ball is randomly drawn from A and put into bag B．Then one ball is drawn from bag B randomly．Find the probability that the ball drawn from bag B is Sol P:第一次紅球事件，Q:第一次綠球事件 R:第二次紅球事件，S:第二次綠球事件 (a) red? 申辦萬泰靈活現金卡的條件限制P=P(R)=P(PR)+P(QR) =P(R｜P)*P(P)+P(R｜Q)*P(Q) =(3/5)*(4/10)+(2/5)*(6/10) =12/25 (b) green? method1 P=12/25=13/25 method2 P=P(S)=P(PS)+P(QS) =P(S｜P)*P(P)+P(S｜Q)*P(Q) =(2/5)*(4/10)+(3/5)*(6/10) =13/25 2. There are 2 white，4 green and 5 red balls in a bag．Two balls are drawn at random with replacement．What is the probability that (a) both are red? P=(5/11)^2=25/121 (b) both are of the same colour? P=(2/11)^2+(4/11)^2+(5/11)^2=(4+16+25)/121=45/121 (c) they are different in colour? method1 1－45/121=76/121 method2 (1) one white one green p1=2*(2/11)*(4/11)=16/121 (2) one white one red p2=2*(2/11)*(5/11)=20/121 (3) one green one red p3=2*(4/11)*(5/11)=40/121 P=p1+p2+p3=76/121 3. The probability that a door is locked is 2/3．In a bunch of 5 keys．1 key can unlock the door．What is the probability that a man can open the door by choosing 2 keys randomly? Sol A：門沒鎖事件，B：門鎖事件，C：第一支鑰匙開門事件 D：第一支鑰匙沒開門事件，E：第二支鑰匙開門事件 P=P(A)+P(C｜B)+P(E｜D) =(1/3)+(2/3)*(1/5)+(2/3)*(4/5)*(1/4) =(1/3)+(2/15)+(2/15) =2/3 4. In a school，there are 380 boys and 420 girls，and 45% of boys and 40% of girls are wearing glasses．If a student chosen randomly from the school is wearing glasses．Find the probability that it is a boy Sol A：為男生事件，B：為女生事件，C：為戴眼鏡事件 P=P(A｜C)=P(AC)/P(C)=P(AC)/[P(AC)+P(BC)] =P(C｜A)*P(A)/[P(C｜A)*P(A)+P(C｜B)*P(B)] =0.45*(380/800)/[0.45*(380/800)+0.4*(420/800)] =171/(171+168) =57/113

其他解答:

關於台新銀行信用貸款想辦無擔保的個人小額信貸代書貸款台中信貸與房貸的借款利率與還款年限?4857E9100926D5DE