J
JLB
Guest
bugbear wrote:
> JLB wrote:
>
>> nospam wrote:
>>
>>>> 'We stop one in every 25 cars on a random basis, and, let me tell
>>>> you, sir, criminals and terrorists come in many different guises,'
>>>
>>>
>>>
>>> If it's one in every 25, how on earth is that random? Doh!
>>>
>> It's not that difficult. Instead of stopping every 25th car, which
>> would be regular, they stop one car taken at random out of every batch
>> of 25; or some similar method.
>>
>
> If they stop cars at random with a probability of 0.04
> that ought to achieve the desired result.
Yes. There are dice used by people engaged in role-playing games to
produce <x> in 100 odds. The dice are 10 sided and used in pairs. Each
roll produce a number from 00 to 99. For each vehicle, the dice could be
rolled. The vehicle would be stopped for any result under 05. Not
terribly practical or likely to be used, but it meets the requirement.
--
Joe * If I cannot be free I'll be cheap
> JLB wrote:
>
>> nospam wrote:
>>
>>>> 'We stop one in every 25 cars on a random basis, and, let me tell
>>>> you, sir, criminals and terrorists come in many different guises,'
>>>
>>>
>>>
>>> If it's one in every 25, how on earth is that random? Doh!
>>>
>> It's not that difficult. Instead of stopping every 25th car, which
>> would be regular, they stop one car taken at random out of every batch
>> of 25; or some similar method.
>>
>
> If they stop cars at random with a probability of 0.04
> that ought to achieve the desired result.
Yes. There are dice used by people engaged in role-playing games to
produce <x> in 100 odds. The dice are 10 sided and used in pairs. Each
roll produce a number from 00 to 99. For each vehicle, the dice could be
rolled. The vehicle would be stopped for any result under 05. Not
terribly practical or likely to be used, but it meets the requirement.
--
Joe * If I cannot be free I'll be cheap