數學問題Probability

2012-02-24 11:27 pm
請各位幫幫手,我唔係幾肯定點畫呢個tree diagram...

3. John selects 2 red packets at random from a box containing 4 red packets.Among the 4 red packets,2 are of amount $50,1 is of amount $100 and 1 is of amount $200.

(a) By using a tree diagram,find all the possible outcomes

回答 (4)

2012-02-29 11:28 pm
✔ 最佳答案

圖片參考:http://imgcld.yimg.com/8/n/HA00132885/o/701202240033713873440680.jpg

By using the tree diagram above,

all the possible outcomes are ($50,$50) , ($50,$100), ($50,$200) , ($100,$200)
2012-03-03 10:59 pm

圖片參考:http://imgcld.yimg.com/8/n/HA07358879/o/701202240033713873440680.jpg


It would be this,hope can help you
2012-02-25 2:09 am

圖片參考:http://imgcld.yimg.com/8/n/HA08284959/o/701202240033713873440690.jpg





唔係咁咩? 佢一次抽兩張,而且佢話明用一個tree diagram,所以就有D4種combinations.
參考: ME
2012-02-25 12:53 am


I'm not sure but I hope I can help you^_^
圖片參考:http://imgcld.yimg.com/8/n/AD07934642/o/701202240033713873440670.jpg
參考: me~


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