3. Technology is dramatically changing the way we communicate. In 2014, a survey of 880 U.S. householdsshowed that 149 of them use e-mail. At the 5% significance level, test the claim that more than 15% of U.S.households use e-mail.4. The Genetics and IVF Institute conducted a clinical trial of the XSORT method designed to increase theprobability of conceiving a girl. 325 babies were born to parents using the XSORT method, and 295 of themwere girls. At the 1% significance level, test the claim that with this method, the probability of a baby being agirl is greater than 50%.

Sample size (n) = 880Let X be a household that uses e-mailX=149Level of significance = 0.05Note:…

Answered: 3. Technology is dramatically changing…

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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3. Technology is dramatically changing the way we communicate. In 2014, a survey of 880 U.S. households showed that 149 of them use e-mail. At the 5% significance level, test the claim that more than 15% of U.S. households use e-mail.