her than a
technical one.
Thanks again for your help. R.
Duncan Murdoch-2 wrote:
>
> On 10/16/2008 7:35 AM, Peter Dalgaard wrote:
>> rr400 wrote:
>>> Hi, i am doing a statistics course and am having trouble with an
>>> exercise
>>> where i need to determi
Hi, i am doing a statistics course and am having trouble with an exercise
where i need to determine whether my success rate at something is higher
than 80%.
I was successful in 29 out of 60 trials, so these were the commands i
entered into R:
>n=60
>p.hat=29/n
>p.0=0.8
>se.0=sqrt(p.0*(1-p.0)/n)
>
Thank you so much, at least i got that part right. But what is the meaning of
the e-11 at the end??
Thanks again
You commands are correct and the interpretation is that the probability that
a normal random variable with mean 1454.190 and
standard deviation 162.6301 achieves a value of 417 or le
This was exactly the problem. It has worked a treat this time around.
Thank you so much!
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Hi, i am trying to determine a certain probability and i am unsure if the
commands i have entered into R are correct.
I am trying to determine how unusual it would be to find something with the
value 417 for a set of numbers with mean 1454.190 and standard deviation
162.6301. The command i entere
Hi, i have never really used R before and i need to produce a density curve
for use in an assignment. Following the instructions in the manual provided
with my course i keep getting this error message:
"Error in plot.xy(xy, type, ...) : invalid plot type '1'"
The commands i have entered are:
>x=s
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