Find the margin of error. Answer Choose a match 0.7662 O 2.58 6.43<μ <7.97 67<< 77

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 1GP
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Related questions
Question
Find the margin of error.
Answer
Choose a match
O
0.7662
2.58
6.43< μ < 7.97
6.7<μ <7.7
1.65
2.1
Transcribed Image Text:Find the margin of error. Answer Choose a match O 0.7662 2.58 6.43< μ < 7.97 6.7<μ <7.7 1.65 2.1
A sociologist found that in a sample of 50 retired men, the
average number of jobs they had during their lifetimes was
7.2. The population standard deviation is 2.1.
Prompt
Find the value of za
Answer
Choose a match
0.7662
2.58
6.43< μ < 7.97
a/2'
6.7<μ<7.7
1.65
2.1
with 99% confidence level
Transcribed Image Text:A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 7.2. The population standard deviation is 2.1. Prompt Find the value of za Answer Choose a match 0.7662 2.58 6.43< μ < 7.97 a/2' 6.7<μ<7.7 1.65 2.1 with 99% confidence level
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