Question: Please explain step by step and clear written please The lengths of adult males' hands are normally distributed with mean 190 mm and standard deviation

Please explain step by step and clear written please

The lengths of adult males' hands are normally distributed with mean 190 mm and standard deviation is 7.3 mm. Suppose that 42 individuals are randomly chosen. Round all answers to 4 where possible. a. What is the distribution of a? a - N( 190 1. 1264 b. For the group of 42, find the probability that the average hand length is less than 188. 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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