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2 Questions returned
No. & Date AskedQuestion
# 399 :: 9/20/08
Question 399 has been Answered
When you calculate CIs for time on task, I notice that you use the critical value from the t-distribution (TINV(0.05, degrees_of_freedom)). But when y. . .

exact interval, Binomial Probability, TINV, Adjusted Wald, Wald Interval, Normal Approximation, Small Sample

# 278 :: 7/15/08
Question 278 has been Answered
out of a random sample 167 students pass an exam out of the 300. how do you calculate an exact 99% confidence interval for the proportion of sudents w. . .

exact interval, Confidence Intervals