The lengths of adult males' hands are normally distributed 1.Ivith mean 133 mm and standard deviation is 11 mm. Suppose that 1s individuals are randomly chosen. Round all answers to 4 vvhere possible. a. What is the distribution of :E? it ~ N[|:',l:]} b. For the group of 15, find the probability that the average hand length is more than 135. E c. Find the first 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 Moi:l 'I'es