The cell phone conversations of a random sample of 50 students has a standard deviation of 9.7 minutes. Find the margin of error, E, using a 90% confidence interval. Grou
The cell phone conversations of a random sample of 50 students has a standard deviation of 9.7 minutes. Find the margin of error, E, using a 90% confidence interval. Grou
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 14PPS
Related questions
Question
The cell phone conversations of a random sample of 50 students has a standard deviation of 9.7 minutes. Find
the margin of error, E, using a 90% confidence interval.
Group of answer choices
0.32
2.26
1.23
1.37
Flag question: Question 9
Question 9 1 pts
Determine the sample size needed to estimate μ for the given situation
E = 4, σ = 35, (1 - α) = 0.90
Group of answer choices
4
295
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