Question
Davia Cox wrote:
Hello,
I have a problem that I am trying to solve and I am not sure how to
do it in R.
Suppose, that 16 numbers are choosen at random from 0 to 9, what's
the probability that their average will be between 4 and 6. I typed
the following code:
set.seed(100)
sample(0:9, 16, replace =TRUE)
[1] 3 2 5 0 4 4 8 3 5 1 6 8 2 3 7 6
Is what I got, however I realize the set.seed function locks in the
number I get every time.
Yes, that's what set.seed is intended to do... otherwise don't use set.seed (and make your work unreproducible).
My question is in order to run a true random sample,
We have to disappoint you: Your computer cannot generate "true random samples". > wouldn't I have
to use the runif function? And then deliminate the sample to show the
No, if you want integers, the sample above fits perfectly well.
numbers that lie between 4 and 6? If that's the case, how do I do that?
Is this a homework question? Uwe Ligges
Davia S. Cox 517-575-8031 cell davia.cox at gmail.com "Human potential, though not always apparent, is there waiting to be discovered and invited forth." -William W. Purkey
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