乙1次甲3次 P=2/72 14分 查看更多

 

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甲、乙隊(duì)各有3名柔道選手,代號(hào)分別為甲1、甲2、甲3和乙1、乙2、乙3,兩隊(duì)隊(duì)員之間甲隊(duì)隊(duì)員獲勝的概率如下表所示.
隊(duì)別勝率隊(duì)別 1 2 3
1 0.4 0.6 0.8
2 0.2 0.4 0.6
3 0.1 0.4 0.5
(1)若兩隊(duì)之間進(jìn)行對(duì)抗賽,一隊(duì)中至少有兩名選手戰(zhàn)勝對(duì)方才算是此隊(duì)獲勝,那么按甲1對(duì)乙2,甲2對(duì)乙1,甲3對(duì)乙3,甲隊(duì)獲勝的概率是多少?
(2)怎樣編排兩隊(duì)之間的對(duì)抗賽,甲隊(duì)獲勝的概率最大?最大概率為多少?

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甲、乙隊(duì)各有3名柔道選手,代號(hào)分別為甲1、甲2、甲3和乙1、乙2、乙3,兩隊(duì)隊(duì)員之間甲隊(duì)隊(duì)員獲勝的概率如下表所示.
隊(duì)別勝率隊(duì)別123
10.40.60.8
20.20.40.6
30.10.40.5
(1)若兩隊(duì)之間進(jìn)行對(duì)抗賽,一隊(duì)中至少有兩名選手戰(zhàn)勝對(duì)方才算是此隊(duì)獲勝,那么按甲1對(duì)乙2,甲2對(duì)乙1,甲3對(duì)乙3,甲隊(duì)獲勝的概率是多少?
(2)怎樣編排兩隊(duì)之間的對(duì)抗賽,甲隊(duì)獲勝的概率最大?最大概率為多少?

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甲、乙隊(duì)各有3名柔道選手,代號(hào)分別為甲1、甲2、甲3和乙1、乙2、乙3,兩隊(duì)隊(duì)員之間甲隊(duì)隊(duì)員獲勝的概率如下表所示.
隊(duì)別勝率隊(duì)別123
10.40.60.8
20.20.40.6
30.10.40.5
(1)若兩隊(duì)之間進(jìn)行對(duì)抗賽,一隊(duì)中至少有兩名選手戰(zhàn)勝對(duì)方才算是此隊(duì)獲勝,那么按甲1對(duì)乙2,甲2對(duì)乙1,甲3對(duì)乙3,甲隊(duì)獲勝的概率是多少?
(2)怎樣編排兩隊(duì)之間的對(duì)抗賽,甲隊(duì)獲勝的概率最大?最大概率為多少?

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甲、乙隊(duì)各有3名柔道選手,代號(hào)分別為甲1、甲2、甲3和乙1、乙2、乙3,兩隊(duì)隊(duì)員之間甲隊(duì)隊(duì)員獲勝的概率如下表所示.
(1)若兩隊(duì)之間進(jìn)行對(duì)抗賽,一隊(duì)中至少有兩名選手戰(zhàn)勝對(duì)方才算是此隊(duì)獲勝,那么按甲1對(duì)乙2,甲2對(duì)乙1,甲3對(duì)乙3,甲隊(duì)獲勝的概率是多少?
(2)怎樣編排兩隊(duì)之間的對(duì)抗賽,甲隊(duì)獲勝的概率最大?最大概率為多少?

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甲、乙隊(duì)各有3名柔道選手,代號(hào)分別為甲1、甲2、甲3和乙1、乙2、乙3,兩隊(duì)隊(duì)員之間甲隊(duì)隊(duì)員獲勝的概率如下表所示.

1

乙­­2

3

1

0.4

0.6

0.8

2

0.2

0.4

0.6

3

0.1

0.4

0.5

(1)若兩隊(duì)之間進(jìn)行對(duì)抗賽,一隊(duì)中至少有兩名選手戰(zhàn)勝對(duì)方才算是此隊(duì)獲勝,那么按甲1對(duì)乙2,甲2對(duì)乙1,甲3對(duì)乙3的人員安排進(jìn)行比賽,甲隊(duì)獲勝的概率是多少?

(2)按(1)的人員安排不變, 重復(fù)進(jìn)行三場(chǎng)比賽,甲隊(duì)至少勝兩場(chǎng)的概率?

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