Use the empirical rule to solve the problem.The amount of Jen's monthly phone bill is normally distributed with amean of $60 and a standard deviation of $10. What percentage of herphone bills are between $30 and $90?68%O 95%O 99.99%O 99.7%

Answered: Image /qna-images/answer/ad547c89-0ab0-40e4-9ae2-9c35cc449e51.jpg

Answered: Use the empirical rule to solve the…

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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Use the empirical rule to solve the problem. The amount of Jen's monthly phone bill is normally distributed with a mean of $60 and a standard deviation of $10. What percentage of her phone bills are between $30 and $90? 68% O 95% O 99.99% O 99.7%