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. (Source: The Book of Risks, by Larry Laudan, John Wiley and Sons) Suppose you are a news reporter following nine criminal trials. (For each answer, enter a number.) (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.) _____(blank) What is this probability if the trials were in the United States? (Round your answer to three decimal places.) _____(blank) (b) Of the nine trials, what is the expected number of guilty verdicts in Japan? (Round your answer to two decimal places.) _____verdicts (blank)   What is the expected number in the United Sates? (Round your answer to two decimal places.) _____verdicts (blank) What is the standard deviation in Japan? (Round your answer to two decimal places.) _____verdicts (blank) What is the standard deviation in the United States? (Round your answer to two decimal places.) _____verdicts (blank)

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.