.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?
.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?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
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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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