At a school, 89% of students surveyed said they had opened a new bank account within 1 year. If accurate, how many students would you expect to survey before finding one who had NOT opened a new account?

The answer is 10, but you do you get it?

Question

At a school, 89% of students surveyed said they had opened a new bank account within 1 year. If accurate, how many students would you expect to survey before finding one who had NOT opened a new account?

The answer is 10, but you do you get it?

anonymous · Answer

Also asks to round up

anonymous · Answer

Similar question: 27% gives an answer of 2

a_clan · Answer

You need to know the total no. of students first.

anonymous · Answer

Not given