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Get Full Access to Statistics Through Applications - 2 Edition - Chapter 3 - Problem 3.38
Get Full Access to Statistics Through Applications - 2 Edition - Chapter 3 - Problem 3.38

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# Brush your teeth Th e amount of time Ricardo spends

ISBN: 9781429219747 133

## Solution for problem 3.38 Chapter 3

Statistics Through Applications | 2nd Edition

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Statistics Through Applications | 2nd Edition

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Problem 3.38

Brush your teeth Th e amount of time Ricardo spends brushing his teeth follows a Normal distribution with unknown mean m and standard deviation s 5 20 seconds. Ricardo spends less than 60 seconds brushing his teeth about 40% of the time. Use this information to determine the mean of this distribution. Show your method clearly.

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Nutrition Exam Review What is the scientific method and what are the steps involved What are the different types of research studies discussed in class, including pros/cons. Be able to identify examples. Know the definitions that pertain to experimental studies (ex. control group, randomized, etc). Scientific Method – how to get from a question to an answer - Observation and question - Hypothesis = unproven statement that tentatively explains relationships between 2 or more variables - Conduct research to collect data - Results and interpretations - Develop a theory = a tentative explanation that integrates many different findings to further understand and define topic Observational study - Epidemiological / observational study = study

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