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Problem 37E: Chapter: CH6 Problem: 37E Is there a relationship between the male hormone testosterone and criminal behavior? To answer this question, medical researchers measured the testosterone level of penitentiary inmates and recorded whether they were convicted of murder. After analyzing the results, the researchers produced the following table of joint probabilities. Testosterone Level Murderer Other Felon Above average .27 .24 Below average .21 28 a. What proportion of murderers have aboveaverage testosterone levels? b. Are levels of testosterone and the crime committed independent? Explain