23. The number of vehicles that. pass through a US/Mexico harder creasing with radioactive items [such as certain artistic pottery, certain medical devices, etc.) can be modeled by a. Poisson process with mean of 6 per day. Determine the probability that the waiting time fur the rst vehicle with radiuactive items is between 8 hours and 12 lmure. 24. In reference to question (23). determine the probability that 2 or more vehicles with radioactive items cross the border in 1 home