A major form of identification in criminal investigations isfingerprints. Finger

Question

A major form of identification in criminal investigations isfingerprints. Fingerprints vary on many different dimenstions, oneof which is called the ridgecount. Suppose that you know that theridgecounts of human beings follow a normal distribution with meanof 165.00 and a standard deviation of 10.00. Suppose furthermorethat a set of fingerprints was found at the scene of a crime and itwas determined that the ridgecount was at least 200(the exact valuebeing in question because of smudging). Finally, suppose that aparticular suspect has a ridgecount of 225. What should youconclude and why? A major form of identification in criminal investigations isfingerprints. Fingerprints vary on many different dimenstions, oneof which is called the ridgecount. Suppose that you know that theridgecounts of human beings follow a normal distribution with meanof 165.00 and a standard deviation of 10.00. Suppose furthermorethat a set of fingerprints was found at the scene of a crime and itwas determined that the ridgecount was at least 200(the exact valuebeing in question because of smudging). Finally, suppose that aparticular suspect has a ridgecount of 225. What should youconclude and why?

Explanation / Answer

P(x>200)= .5-P(165

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