You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly more than 0.6. You use a significance level of α=0.001
H0:p=0.6> 0:>=0.6
H1:p>0.6 > 1:>0.6
You obtain a sample of size n=645 in which there are 409 successes.
What is the test statistic for this sample? (Report answer accurate to three decimal places.)
test statistic =