A sample of 25 lawyers is taken with replacement fromall Quebec lawyers. The average salary of these 25 lawyers is $53,000 with a sampling standard deviation of $12,000. Find a confidence interval at the 95% confidence level to estimate the average salary of all Quebec lawyers, assuming that the distribution of salaries is normal. answer:(48056; 57944)

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
Question

A sample of 25 lawyers is taken with replacement from
all Quebec lawyers. The average salary of these 25 lawyers is $53,000 with a sampling standard deviation of $12,000. Find a confidence interval at the 95% confidence level to estimate the average salary of all Quebec lawyers, assuming that the distribution of salaries is normal.

answer:(48056; 57944)

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