The random variable X represents the average number of texts a teenager sends, where the distribution for the score is normal with a mean of 450 texts and a standard deviation of 150 texts. What is the probability that a randomly selected teenager will send more than 700 texts each day?

The random variable X represents the average number of texts a teenager sends, where the distribution for the score is normal with a mean of 450 texts and a standard deviation of 150 texts. What is the probability that a randomly selected teenager will send more than 700 texts each day?

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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Estimation

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Question

The random variable X represents the average number of texts a teenager sends, where
the distribution for the score is normal with a mean of 450 texts and a standard deviation
of 150 texts. What is the probability that a randomly selected teenager will send more
than 700 texts each day?
Use the applet we used in class and make sure to include a screenshot here:
https://homepage.divms.uiowa.edu/~mbognar/applets/normal.html

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