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Suppose that the duration of a particular type of criminal trial is known to be...

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Suppose that the duration of a particular type of criminal trial is known to be normally distributed with a mean of 22 days and a standard deviation of 5 days Let X be the number of days for a randomly selected trial Round all answers to 4 decimal places where possible a What is the distribution of X X N b If one of the trials is randomly chosen find the probability that it lasted at least 19 days c If one of the trials is randomly chosen find the probability that it lasted between 21 and 26 days

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