The lengths of adult males' hands are normally distributed with mean 195 mm and standard deviation is 7.5 mm. Suppose that 7 individuals are randomly chosen. Round all answers to 4 where possible. What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) For the group of 7, find the probability that the average hand length is less than 198. Find the third quartile for the average adult male hand length for this sample size. Round to 2 decimal places.
The lengths of adult males' hands are normally distributed with mean 195 mm and standard deviation is 7.5 mm. Suppose that 7 individuals are randomly chosen. Round all answers to 4 where possible. What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) For the group of 7, find the probability that the average hand length is less than 198. Find the third quartile for the average adult male hand length for this sample size. Round to 2 decimal places.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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The lengths of adult males' hands are
- What is the distribution of ¯xx¯? ¯xx¯ ~ N(,)
- For the group of 7, find the probability that the average hand length is less than 198.
- Find the third
quartile for the average adult male hand length for thissample size . Round to 2 decimal places. - For part b), is the assumption that the distribution is normal necessary? YesNo
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