(a) If the trials were in Japan, what is the probability that all the defendants would be found guilty? (Round your answer to three decimal places.) What is this probability if the trials were in the United States? (Round your answer to three decimal places.) (b) Of the ten trials, what is the expected number of guilty verdicts in Japan? verdicts
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 ten criminal trials.
(a) If the trials were in Japan, what is the probability that all the defendants would be found guilty? (Round your answer to three decimal places.)
What is this probability if the trials were in the United States? (Round your answer to three decimal places.)
(b) Of the ten trials, what is the expected number of guilty verdicts in Japan?
verdicts
What is the expected number in the United Sates?
verdicts
What is the standard deviation in Japan? (Round your answer to two decimal places.)
verdicts
What is the standard deviation in the United States? (Round your answer to two decimal places.)
verdicts
(c) As a U.S. news reporter, what is the smallest number of trials n you would need to cover to be at least 99% sure of two or more convictions?
trials
What is the smallest number of trials n you would need if you covered trials in Japan?
trials
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 2 images
