Innocent until proven guilty? In Japanese criminal trials, about 95% of the defendants are found guilty. In the United States, about 60% of the defendants are found guilty in criminal trials†. Suppose you are a news reporter following nine criminal trials.
(a) As a U.S. news reporter, how many trials n would you need to cover to be at least 99% sure of two or more convictions?
(b) How many trials n would you need if you covered trials in Japan?