Answered: .A few studies published in 2007…

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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1.A few studies published in 2007 claimed health benefits from eating dark chocolate and drinking cocoa,One study found much lower rates of death due to cancer among the Kuna Indians, who live in the San Blas islands of Panama and drink cocoa as their main beverage, compared to residents of mainland Panama.a.)Identify the response variable and the explanatory variableb.)Was this an observational study or an experimental study?Explain.2.Suppose a student takes a 4-question pop quiz.Each response might be graded as correct or incorrect.a). What is the sample space for this experiment?(Sketch the tree diagram sample space)b). What is the probability of each outcome?c). Let A = “exactly 3 correct.”What are the outcomes in the event A? Find P(A)?d). Let B = “passes (with 3 or more correct).”What are the outcomes in the event B? Find P(B)?

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