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(
鍗曢�夐
)1:
褰撳嵄闄╂儏鍐靛彂鐢熸椂锛岃嚜鍔ㄦ姤璀﹀櫒鐨勭數璺嵆鑷姩闂悎鑰屽彂鍑鸿鎶ワ紝鍙互鐢ㄤ袱涓垨澶氫釜鎶ヨ
鍣ㄥ苟鑱旓紝浠ュ鍔犲叾鍙潬鎬с�傚綋鍗遍櫓鎯呭喌鍙戠敓鏃讹紝杩欎簺骞惰仈涓殑浠讳綍涓�涓姤璀﹀櫒鐢佃矾闂悎锛屽氨鑳藉彂鍑鸿
鎶ワ紝宸茬煡褰撳嵄闄╂儏鍐靛彂鐢熸椂锛屾瘡涓�鎶ヨ鍣ㄨ兘闂悎鐢佃矾鐨勬鐜囦负
0.96.
璇曟眰濡傛灉鐢ㄤ袱涓姤璀﹀櫒骞惰仈锛屽垯鎶?/p>
璀﹀櫒鍙潬鐨勬鐜囦负锛?/p>
锛夈�?/p>
A: 0.99
B: 0.993
C: 0.995
D: 0.998
姝ｇ‘绛旀
:
(
鍗曢�夐
)2:
璁?/p>
A,B,C
涓轰笁涓簨浠讹紝鑻ユ湁
P(AB)=P(A)P(B),
P(AC)=P(A)P(C),
P(BC)=P(B)P(C),
P(ABC)=P(A)P(B)P(C)
锛屽垯绉?/p>
A
銆?/p>
B
銆?/p>
C
涓変釜浜嬩欢锛?/p>
锛夈�?/p>
A:
涓や袱鐩镐簰鐙珛
B:
鐩镐簰鐙珛
C:
鐩稿叧
D:
鐩镐簰涓嶇嫭绔?/p>
姝ｇ‘绛旀
: