A car insurance company is seeking information about the age of its customers. From a sample of 121 randomly selected customers the mean is 48.0 years and a standard deviation is 11.2 years. Find the lower confidence limit (LCL) of the 98% confidence interval for the population mean age. Round your answer to one decimal place.
A car insurance company is seeking information about the age of its customers. From a sample of 121 randomly selected customers the mean is 48.0 years and a standard deviation is 11.2 years. Find the lower confidence limit (LCL) of the 98% confidence interval for the population mean age. Round your answer to one decimal place.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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![QUESTION 12
A car insurance company is seeking information about the age of its customers. From a sample of 121 randomly selected
customers the mean is 48.0 years and a standard deviation is 11.2 years. Find the lower confidence limit (LCL) of the
98% confidence interval for the population mean age. Round your answer to one decimal place.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb448751a-f1e4-49f5-9452-62b2276c4aae%2F7fd65058-6ca6-43c0-aa68-a3433a738549%2F3uidhdn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:QUESTION 12
A car insurance company is seeking information about the age of its customers. From a sample of 121 randomly selected
customers the mean is 48.0 years and a standard deviation is 11.2 years. Find the lower confidence limit (LCL) of the
98% confidence interval for the population mean age. Round your answer to one decimal place.
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