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1) The upper arm length of 18-year-old females is approximately normal with mean 35.6 cm and standard deviation 2.7 cm. Source: CDC/NCHS, National Health and Nutrition Examination Survey. a) Find the probability a randomly selected 18-year-old female has an upper arm length less than 30 cm? I b) Would it be unusual for a randomly selected 18-year-old female to have an upper arm length less than 30 cm? Explain your answer. c) Determine the upper arm length of an 18-year-old female that is at the 75th percentile. 1000

1) The upper arm length of 18-year-old females is approximately normal with mean 35.6 cm and standard deviation 2.7 cm. Source: CDC/NCHS, National Health and Nutrition Examination Survey. a) Find the probability a randomly selected 18-year-old female has an upper arm length less than 30 cm? I b) Would it be unusual for a randomly selected 18-year-old female to have an upper arm length less than 30 cm? Explain your answer. c) Determine the upper arm length of an 18-year-old female that is at the 75th percentile. 1000

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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mail.com - Gmail Content 1) The upper arm length of 18-year-old females is approximately normal with mean 35.6 cm and standard deviation 2.7 cm. Source: CDC/NCHS, National Health and Nutrition Examination Survey. Learning Modules - NNMC_90_202410_14072 Fall 2023... a) Find the probability a randomly selected 18-year-old female has an upper arm length less than 30 cm? I b) Would it be unusual for a randomly selected 18-year-old female to have an upper arm length less than 30 cm? Explain your answer. c) Determine the upper arm length of an 18-year-old female that is at the 75th percentile. 2) Finding the value of Za. a) The notation Z0.025 represents what percentile? b) Find the z-score that corresponds to the percentile in part (a). B https://learn-us-east-1-pm
Transcribed Image Text:mail.com - Gmail Content 1) The upper arm length of 18-year-old females is approximately normal with mean 35.6 cm and standard deviation 2.7 cm. Source: CDC/NCHS, National Health and Nutrition Examination Survey. Learning Modules - NNMC_90_202410_14072 Fall 2023... a) Find the probability a randomly selected 18-year-old female has an upper arm length less than 30 cm? I b) Would it be unusual for a randomly selected 18-year-old female to have an upper arm length less than 30 cm? Explain your answer. c) Determine the upper arm length of an 18-year-old female that is at the 75th percentile. 2) Finding the value of Za. a) The notation Z0.025 represents what percentile? b) Find the z-score that corresponds to the percentile in part (a). B https://learn-us-east-1-pm
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