Calculate a sucess rate depending on a percentage set by a value

I am deeply sorry if this question has been asked and answered already but I couldn't find anything related online. To be honest I'm not even sure what should I search for haha.

So, I want to calculate if a result is a success(true) or a fail(false) depending on a predetermined fixed percentage and a value.

To explain my example: I want to calculate the success of a mission based on the number of operative doing it.

• Using 1 operative, mission success rate of 50%. (50%to be a success / 50% to be a fail)
• Using 2 operatives, mission success rate of 60%. (60%to be a success / 40% to be a fail)
• Using 3 operatives, mission success rate of 70%. (70%to be a success / 30% to be a fail)

Is this possible to somehow translate that into google sheet formula?

Thanks for your help guys!