Part 2(b) Find a 95 % confidence interval for the mean number of text messages.The 95 % confidence interval istoeTextbook and MediaHint Number of Text Messages a DayA random sample of n = 755 US cell phone users age 18 and older in May 2011 found that the average number of text messagessent or received per day is 41.5 messages,' with standard error about 6.1.1smith, A. "Americans and Text Messaging" Pew Research Center, http://www.pewinternet.org/Reports/2011/Cell-Phone-Texting-2011/Main-Report/How-Americans-Use-Text-Messaging.aspx, accessed September 19, 2011.Part 1Your answer is correct.(a) Use the information from the sample to give the best estimate of the population parameter.41.5eTextbook and MediaHint

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Description: Part 2(b) Find a 95 % confidence interval for the mean number of text messages.The 95 % confidence interval istoeTextbook and MediaHint Number of Text Messages a DayA random sample of n = 755 US cell phone users age 18 and older in May 2011 found th

Given, n = 755 Mean = 41.5 Standard error = 6.1 z at 95% CI = 1.96

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(b) Find a 95 % confidence interval for the mean number of text messages. to The 95 % confidence interval is eTextbook and Media

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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