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2008 Oct 16
1
One-sample test for p
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)
>z=(p.hat-p.0)/se.0
>print(z)
Which returned:
[1] -6.132224
>1-pnorm(z)
Which