Older people often have a hard time finding work. A research group reported on the number of weeks it takes a worker aged 55 plus to find a job. The data on number of weeks spent searching for a job is given the table below. 23 16 53 18 19 16 18 14 50 2 29 19 34 26| 14 12 54 23 28 16 15 26 21 30 28 28 12 23 46 38 24 41 19 19 12 21 18 24 7 24 (a) Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. weeks (b) At 95% confidence, what is the margin of error? (Round your answer to four decimal places.) x weeks (c) What is the 95% confidence interval estimate of the mean? (Round your answers to two decimal places.) weeks to weeks
Older people often have a hard time finding work. A research group reported on the number of weeks it takes a worker aged 55 plus to find a job. The data on number of weeks spent searching for a job is given the table below. 23 16 53 18 19 16 18 14 50 2 29 19 34 26| 14 12 54 23 28 16 15 26 21 30 28 28 12 23 46 38 24 41 19 19 12 21 18 24 7 24 (a) Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. weeks (b) At 95% confidence, what is the margin of error? (Round your answer to four decimal places.) x weeks (c) What is the 95% confidence interval estimate of the mean? (Round your answers to two decimal places.) weeks to weeks
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 92E
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