Re: a simple(?) probability question...
- From: "bill" <b92057@xxxxxxxxx>
- Date: 28 Feb 2007 13:32:59 -0800
On Jan 21, 3:51 am, ertug <mail676...@xxxxxxxxxxxx> wrote:
hi,
do you have an idea about this question?
* a river dam has a projected life of 50 years. What is the probability that a hundred-year flood will occur once during the life of the dam?
it is apparently simple and i guess the answer is 50/100 = 0.5; but i am not quite sure and thought there is a catch.
So, do you agree with my answer?
What is the probability that the dam will last exactly 50 years? The
probability that a hundred-year flood will occur once during the
life of the dam surely depends upon the actual
life of the dam? I assume that "projected" means
"estimated" and not "actual"?
.
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