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Statistics / The Practice of Statistics 5 / Chapter 8.2 / Problem 34

The Practice of Statistics | 5th Edition | ISBN: 9781464108730 | Authors: Daren S. Starnes, Josh Tabor

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Reporting cheating What proportion of students are willing to report cheating by other

Chapter 8, Problem 34

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QUESTION:

Reporting cheating What proportion of students are willing to report cheating by other students? A student project put this question to an SRS of 172 undergraduates at a large university: You witness two students cheating on a quiz. Do you go to the professor? Only 19 answered Yes.12 (a) Identify the population and parameter of interest. (b) Check conditions for constructing a confidence interval for the parameter. (c) Construct a 99% confidence interval for p. Show your method. (d) Interpret the interval in context.

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QUESTION:

Reporting cheating What proportion of students are willing to report cheating by other students? A student project put this question to an SRS of 172 undergraduates at a large university: You witness two students cheating on a quiz. Do you go to the professor? Only 19 answered Yes.12 (a) Identify the population and parameter of interest. (b) Check conditions for constructing a confidence interval for the parameter. (c) Construct a 99% confidence interval for p. Show your method. (d) Interpret the interval in context.

ANSWER:

Step 1 of 6

Let x denote the number of who admitted they willing to report the cheating by other students.

So, and

Sample proportion is obtained below.

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