The lengths of adult males' hands are normally distributed with mean 191 mm and standard deviation is 12 mm. Suppose that 8 individuals are randomly chosen. Round all answers to 4 where possible. a. 1|.I'I.I'hat is the distribution of 57'? f .. HE'S} b. For the group of 8, find the probability that the average hand length is more than 188. :1 c. Find the third quartile for the average adult male hand length for this sample size. :1 d. For part b}, is the assumption that the distribution is normal necessary? 0 [400 Yes