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A random survey of 75 death row inmates revealed that the mean length of tim deviation of 6.8 years. Conduct a hypothesis test to determine if the population years. + Part (a) Part (b) + Part (c) + Part (d) + Part (e) Part (f) Is the population standard deviation known? Yes O No If so, what is it? (Enter your answer to one decimal place. If the standard deviation is not Part (g) Calculate the following. (i) Enter your answer to one decimal place x = (1) Enter your answer to one decimal place S = (iii) Enter your answer as a whole number. n = Part (h) Which test should be used? O Student's t-test O Normal test Part (i) State the distribution to use for the hypothesis test (Enter your answer in the form z or to [+ Part (j)