Innocent until proven guilty? In Japanese criminal trials, about 95% of the defendants are found guilty ...

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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?

 

    • 5 years ago
    (a) p = 0.6, q = 1 – p = 0.4, P(x) = C(n, x) p^x q^(n – x) ...
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