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轉學考-統計學
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93年 - 93 淡江大學 轉學考 統計學#56059
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題組內容
1.敘述或定義下列統計名詞:
(1)參數(Parameter)
其他申論題
(c) Find the magnetic field intensity (H) and vector potential throughout the space. (20%)
#212839
(a) Write down the corresponding integral form for each of the four Maxwell’s equations, and specify the physical meaning for each of them.
#212840
【已刪除】(b) Show that the free charge density and free current density satisfy the continuity quation: (Hint: Two of the Maxwell equations may be useful).
#212841
(c) Show that the tangential component of the electric field must be continuous across any boundary surface. (30 %)
#212842
⑵中央極限定理(The Central Limit Theorem)
#212844
(3)型一誤差fTypcIEnor〉
#212845
2.用尺量一個長方形的長L與宽W ,因爲不同的人所量的數據不同’所以可以將L與W視爲隨機變數.假設L與W爲統計獨立,而且L的期望値爲E(L)= 30公尺• W的期望値爲E(W)= 20公尺.L的標準 差為Std(L)=l公尺• W的欏準達爲Sid(W)=0.5公尺,試求此畏方形的面稹A的期望値E(A)與變異 敝Var(A)分別爲何? (12^)
#212846
⑴常數k之値爲何? (4分)
#212847
⑵E(XY)=? <4分)
#212848
(3)P(X+Y=2 )=? (4分)
#212849