According to a 2017 Wired magazine article, 40% of emails that are received are tracked using software that can tell the email sender when, where, and on what type of device the email was opened (Wired magazine website). Suppose we randomly select 50 received emails. A. What is the expected number of these emails that are tracked? B. What are the variance ( to the nearest whole number) and standard deviation (to 3 decimals) for the number of these emails that are tracked
According to a 2017 Wired magazine article, 40% of emails that are received are tracked using software that can tell the email sender when, where, and on what type of device the email was opened (Wired magazine website). Suppose we randomly select 50 received emails. A. What is the expected number of these emails that are tracked? B. What are the variance ( to the nearest whole number) and standard deviation (to 3 decimals) for the number of these emails that are tracked
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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According to a 2017 Wired magazine article, 40% of emails that are received are tracked using software that can tell the email sender when, where, and on what type of device the email was opened (Wired magazine website). Suppose we randomly select 50 received emails.
A. What is the expected number of these emails that are tracked?
B. What are the variance ( to the nearest whole number) and standard deviation (to 3 decimals) for the number of these emails that are tracked
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