2. 外语
  3. Lin and Mark each attempt independently to decode a message. If the probability that Lin will decode the message is 0.80 and the

Lin and Mark each attempt independently to decode a message. If the probability that Lin will decode the message is 0.80 and the

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问题 Lin and Mark each attempt independently to decode a message. If the probability that Lin will decode the message is 0.80 and the probability that Mark will decode the message is 0.70, find the probability that
(a)both will decode the message
(b)at least one of them will decode the message
(c)neither of them will decode the message
选项
答案0.56
解析
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