Yahoo奇摩 網頁搜尋

  1. Please read: 圖片參考:https://s.yimg.com/rk/HA00430218/o/1625518840.png 圖片參考:https://s.yimg.com/rk/HA00430218/o/392317053.png

    分類:科學及數學 > 數學 2014年05月05日

  2. (a) Probability that they make incorrect forecast at the same time= (1-0.5)(1-0.7) = 0.15Probability that they make correct...65^2)(0.35) = 0.147875 2010-12-11 10:41:22 補充: When they make incorrect forecast at the same time, that means Bob is wrong and Ron ...

    分類:科學及數學 > 數學 2010年12月15日

  3. ... known that the probability for the observatory of a country to make an accurate forecast of tomorrow temperature is 0.97.Find the probability that the observatory...

    分類:科學及數學 > 數學 2007年11月08日

  4. ...for 3 cases = 360 + 135 + 10 = 505 ways 2. The different possible forecasts = 3^5 = 243 0 error means all correct, there is only 1 possibility. 1 error...

    分類:科學及數學 > 數學 2009年10月12日

  5. ai) 6467 aii) 5993 aiii) 6827 b) MAD is 634

    分類:科學及數學 > 數學 2008年06月04日

  6. A1. $150*(1+55%)*(1-30%) = $162.75 A2. $180*(1+50%)*(1-30%) = $189 A3. (a) $2470 - $1865 + $930 = $1535 (b) $2470 - $1535 = $1865 - $930 = $935 [I am not confident in the final part, I do not know your definition of stock turn. It seems that you are not...

    分類:科學及數學 > 數學 2013年08月10日

  7. (A) the profit percent or loss percent = Total sales - total cost/total cost *100% = [(300*55 + 80*60) - (150*39 + 83*50 + 250*40) / (150*39 + 83*50 + 250*40)] * 100% = 6.5% Therefore, there is 6.5% profit. (B) the profit percent or loss percent = Total sales - total...

    分類:科學及數學 > 數學 2007年02月27日

  8. 我唔係數學天才, 不過我都幫你答啦 1.)The price the shopkeeper bought the watch= $1200*(1-15%) = $1020 The selling price of the watch= x*(1-10%) = 0.9x (0.9x-1020)/1020=20...

    分類:科學及數學 > 數學 2008年08月22日