To estimate the mean hourly rate of lawyers in Ramallah we took a sample of 70 lawyers. This sample has an average of $ 42. Assume that the population standard deviation is $11.5. Find a 95% confidence interval for the mean hourly rate. Select one: О а. (39.54, 44.46) Оь. (8.76, 14.24) О с. (39.31,44.69) O d. (67.54, 72.46) Ое. (67.31, 72.69)

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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To estimate the mean hourly rate of lawyers in Ramallah we
took a sample of 70 lawyers. This sample has an average of $
42. Assume that the population standard deviation is $11.5.
Find a 95% confidence interval for the mean hourly rate.
Select one:
O a. (39.54, 44.46)
O b. (8.76, 14.24)
О с. (39.31,44.69)
O d. (67.54, 72.46)
e. (67.31, 72.69)
Transcribed Image Text:To estimate the mean hourly rate of lawyers in Ramallah we took a sample of 70 lawyers. This sample has an average of $ 42. Assume that the population standard deviation is $11.5. Find a 95% confidence interval for the mean hourly rate. Select one: O a. (39.54, 44.46) O b. (8.76, 14.24) О с. (39.31,44.69) O d. (67.54, 72.46) e. (67.31, 72.69)
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