The lengths of adult males' hands are normally distributed with mean 189 mm and standard deviation is 7.2 mm. Suppose that 12 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of ? a - N( b. For the group of 12, find the probability that the average hand length is less than 186. c. Find the third quartile for the average adult male hand length for this sample size. d. For part b), is the assumption that the distribution is normal necessary? O YesO No

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.