Wrong answer coming

#1

I used the formula n*9/100 and set recision to 2 but testcase is not passing.

#2

@namanjain7206,
What is n?

#3

N here is number of candidates

#4

@namanjain7206,
I think you haven’t understood the problem. It was asked to find the expected number of candidates to interview, so that you hire at least one candidate. So, as 7*0.16 > 1, answer will be 7.