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Get Full Access to The Practice Of Statistics - 5 Edition - Chapter 10 - Problem T10.8
Get Full Access to The Practice Of Statistics - 5 Edition - Chapter 10 - Problem T10.8

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# An SRS of size 100 is taken from Population A with proportion 0.8 of successes. An ISBN: 9781464108730 488

## Solution for problem t10.8 Chapter 10

The Practice of Statistics | 5th Edition

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Problem t10.8

An SRS of size 100 is taken from Population A with proportion 0.8 of successes. An independent SRS of size 400 is taken from Population B with proportion 0.5 of successes. The sampling distribution for the difference (Population A Population B) in sample proportions has what mean and standard deviation? (a) mean = 0.3; standard deviation = 1.3 (b) mean = 0.3; standard deviation = 0.40 (c) mean = 0.3; standard deviation = 0.047 (d) mean = 0.3; standard deviation = 0.0022 (e) mean = 0.3; standard deviation = 0.0002

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STAT 200 Chapter 1  Statistics: the word often used to describe trivial data; numbers generated from a sample of data; a field of study within mathematics. o A collection of procedures and principles for gathering data and analyzing information to help people make decisions when faced with uncertainty.  Branches of statistics: o Descriptive statistics: the branch of statistics that involves the organization, summarization, and display of data o Probability: a basic tool in the study of inferential statistics and is the mathematical backbone of inferential statistics o Inferential Statistics: the branch of stat

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##### ISBN: 9781464108730

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