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In: Statistics and Probability

According to a 2017 Wired magazine article, 60% of emails that are received are tracked using...

According to a 2017 Wired magazine article, 60% 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 10 received emails.

10. What is the expected number of these emails that are tracked?

11. What are the variance and standard deviation for the number of these emails that are tracked?

12. What is the probability that at least 8 emails are tracked?

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