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You sit in your backyard and notice that a tree drops its leaf into a pool. On average 30 leafs fall into the pool each minute. What is the probability that the 15th leaf takes 10 seconds to fall into the pool and that at most 6 leafs fall betweeb the 390 and 398 second.

 
 Jul 19, 2021
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I am not a statistician but I do not see how this can be answered.

Is there any more information that you have not included?:

 
 Jul 20, 2021

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