question archive A bingo machine has balls numbered from 1 to 75, and uses a physical process to randomly select 1 of those balls at a time
A bingo machine has balls numbered from 1 to 75, and uses a physical process to randomly select 1 of those balls at a time
Subject:MathPrice: Bought3
A bingo machine has balls numbered from 1 to 75, and uses a physical process to randomly select 1 of those balls at a time. Each ball is equally likely to be selected. In this machine, for the first ball selected, what is P("number on the ball is 55 or higher")? Please give your answer as a decimal, rounded to 2 places after the decimal point.
