Bayesian A/B Test
Calculate probability that B is better than A, and predict when you'll reach your target confidence.
Control (A)
Users
Actions
Conversion Rate
2.82%
Variation (B)
Users
Actions
Conversion Rate
3.02%
Probability B > A
76.75%
Not significant yet
Relative Uplift
+5.11%
Planning: When will I reach my target?
90%
Extra Days Needed
+30
Total Days
44
Final Probability
90.23%
This assumes the current uplift (+5.11%) remains constant. If the true effect is different, the timeline will change.