6. (20 points)The traffic on the one-way main street may be described by a Poisson process with an average arrival rate of 10 cars per minute. A driver on the side street is waiting to cross the main street. He will cross as soon as he finds a gap of 15 sec.
【題組】(c)Determine the mean number of gaps he has to wait until crossing the main street.
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VIP與詳解卡管理
