In order to improve the production time, the supervisor of assembly lines in a manufacturing setting of cellular phones has studied the time that it takes to assemble certain parts of a phone at various stations. She measures the time that it takes to assemble a specific part by 165 people at different shifts and on different days. The record of her study is organized and shown in the accompanying table. Time That it Takes a Person to Assemble Frequency the Part (minutes) 4 15 20 28 7 34 8 28 9. 24 10 16 Plot the data and calculate the mean and standard deviation. LO
In order to improve the production time, the supervisor of assembly lines in a manufacturing setting of cellular phones has studied the time that it takes to assemble certain parts of a phone at various stations. She measures the time that it takes to assemble a specific part by 165 people at different shifts and on different days. The record of her study is organized and shown in the accompanying table. Time That it Takes a Person to Assemble Frequency the Part (minutes) 4 15 20 28 7 34 8 28 9. 24 10 16 Plot the data and calculate the mean and standard deviation. LO
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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For Problem 19.6 (assuming normal distribution), determine the probability that it will take a person between 5 to 8 minutes to assemble the phone.
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