The PM wants to check the pilot daily and stop when it wins

Sequential testingMedium

Problem. The team moves fast. The PM wants to look at the checkout prototype's test results every day and stop as soon as conversion is significantly up, so the team can move on. Is that okay? If not, what would you set up instead?

Before you reveal: say your answer out loud, as if you were in the real interview — get your reasoning across clearly first. There is no single correct answer: reading what the interviewer is really after and defending your own thinking is what makes an answer strong.

← Your prototype risk model blocks payments. Set the threshold and measure it.