# Binomial distribution, one-sample test for proportion.
# Example data from Carlson, S. 1985. A double blind test
# of natal astrology. Nature 318:419-425.

x=40
n=116
p0=1/3
prop.test(x,n,p=p0,alternative="greater",conf.level=.95,correct=TRUE)
# options:  alternative="two.sided" "greater" "less":  "two.sided" gives
#   two-sided confidence interval, "greater" or "less" give one-sided CIs.
# correct=TRUE applies the continuity correction to the normal approximation.