Answered: You've heard that at least 58% of the…

Name: You've heard that at least 58% of the email you recieve through a cert
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Description: You've heard that at least 58% of the email you recieve through a certain email account is marked as spam. You suspect this is incorrect, so you keep track of the emails you receive on that account for the next week. In that time, you received 133 em

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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You've heard that at least 58% of the email you recieve through a certain email account is marked as spam. You suspect this is incorrect, so you keep track of the emails you receive on that account for the next week. In that time, you received 133 emails and 66 of them were marked as spam

State the null and alternative hypotheses of this test.

What is p?

Is the success-failure condition of the Central Limit Theorem satisfied?

According to Central Limit Theorem, what is the mean and standard deviation?

What is the p value of the hypothesis test?

Is the result considered significant at the α=0.05 level of significance?

Can we dispute, with 95% confidence, the claim that at least 58% of email is marked as spam?

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