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# Type I and II errors

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In the US legal system, a defendant is presumed innocent until proven guilty. Consider a null hypothesis, Ho: that the defendant is innocent, and an alternative hypothesis, Ha: that the defendant is guilty. Explain the meaning of a jury committing a Type I error and of committing a Type II error.

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This posting helps with hypothesis testing. In this solution, descriptions of Type I error and Type II errors are given.

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Type I error

Type I error, also known as an "error of the first kind", an Ã?± error, or a "false positive": the error of rejecting a null hypothesis when it ...

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