A random sample of 42 college graduates revealed that they worked an average of 5.5 years on the job before being promoted. The sample standard deviation was 1.1 years. Using the 0.99 degree of confidence, what is the confidence interval for the population mean? Mulial-
A random sample of 42 college graduates revealed that they worked an average of 5.5 years on the job before being promoted. The sample standard deviation was 1.1 years. Using the 0.99 degree of confidence, what is the confidence interval for the population mean? Mulial-
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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![A random sample of 42 college graduates revealed that they worked an average of 5.5 years on the job before being promoted. The
sample standard deviation was 1.1 years. Using the 0.99 degree of confidence, what is the confidence interval for the population
mean?
Mulial-](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff285d552-6207-48a4-876c-c04c68322862%2F29a79493-85b7-4d04-bc90-27c2036e011a%2Fayf3n1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A random sample of 42 college graduates revealed that they worked an average of 5.5 years on the job before being promoted. The
sample standard deviation was 1.1 years. Using the 0.99 degree of confidence, what is the confidence interval for the population
mean?
Mulial-
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