设随机变量 X 和 Y 相互独立,且均服从参数为 8 的指数分布,则 P (min( X , Y )≤1) =( )
A.
B.
C.
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【单选题】听力原文:M: Excuse me, I'd like to send a registration letter to Houston, Texas. How much is the postage? W: Let me check. It's a dollar and 55 cents. Q: What is the probable relationship between the two ...
【单选题】听力原文:M: Excuse me. I'd like to place an advertisement for a used car in this Sunday's edition of your paper. W: OK, but you have to run your advertisement all week. We can't quote rates for just Sunda...
【单选题】Proper lubrication of the main bearing is more easily obtained in a single acting four-stroke/cycle diesel engine than in a single acting two-stroke/cycle diesel engine because ()
A.
bearing pressure in a four-stroke/cycle acting single diesel engine is continually reversed
B.
bearing pressure in a two-stroke/cycle single acting diesel engine is continually reversed
C.
the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine
D.
two-stoke/cycle diesel engines require more complicated lubrication piping