2-sample test for equality of proportions without continuity
	correction

data:  c(sum(treatment), sum(control)) out of c(length(treatment), length(control))
X-squared = 2.4645, df = 1, p-value = 0.1164
alternative hypothesis: two.sided
95 percent confidence interval:
 -0.01834811  0.16834811
sample estimates:
prop 1 prop 2 
 0.390  0.315