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After some discussion we arrive at a .establishethicsopiniondietcompromisetrendlackevolvenutritionsustainablesense

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No matter what you say, I shall stick to my .establishethicsopiniondietcompromisetrendlackevolvenutritionsustainablesense

There is an urgent need to a strict responsibility system.establishethicsopiniondietcompromisetrendlackevolvenutritionsustainablesense

已知X服从均匀分布[-4,4],那么P(x>0)=

A. 0.1
B. 0.3
C. 0.5
D. 0.7

设电视机的使用年数X服从指数分布E(1/10).某人买了一台旧电视机,求还能使用5年以上的概率 (保留四位小数).