Essentials of Statistics Plus MyLab Statistics with Pearson eText - Access Card Package (5th Edition)
Essentials of Statistics Plus MyLab Statistics with Pearson eText - Access Card Package (5th Edition)
5th Edition
ISBN: 9780133864960
Author: Mario F. Triola
Publisher: PEARSON
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Chapter 7, Problem 5CRE
To determine

To construct: The 95% confidence interval estimate of the population mean.

To identify: The population.

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iid 1. The CLT provides an approximate sampling distribution for the arithmetic average Ỹ of a random sample Y₁, . . ., Yn f(y). The parameters of the approximate sampling distribution depend on the mean and variance of the underlying random variables (i.e., the population mean and variance). The approximation can be written to emphasize this, using the expec- tation and variance of one of the random variables in the sample instead of the parameters μ, 02: YNEY, · (1 (EY,, varyi n For the following population distributions f, write the approximate distribution of the sample mean. (a) Exponential with rate ẞ: f(y) = ß exp{−ßy} 1 (b) Chi-square with degrees of freedom: f(y) = ( 4 ) 2 y = exp { — ½/ } г( (c) Poisson with rate λ: P(Y = y) = exp(-\} > y! y²
2. Let Y₁,……., Y be a random sample with common mean μ and common variance σ². Use the CLT to write an expression approximating the CDF P(Ỹ ≤ x) in terms of µ, σ² and n, and the standard normal CDF Fz(·).
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Chapter 7 Solutions

Essentials of Statistics Plus MyLab Statistics with Pearson eText - Access Card Package (5th Edition)

Ch. 7.2 - Formats of Confidence Intervals. In Exercises...Ch. 7.2 - Formats of Confidence Intervals. In Exercises...Ch. 7.2 - Constructing and Interpreting Confidence...Ch. 7.2 - Constructing and Interpreting Confidence...Ch. 7.2 - Constructing and Interpreting Confidence...Ch. 7.2 - Constructing and Interpreting Confidence...Ch. 7.2 - 17. Gender Selection The Genetics and IVF...Ch. 7.2 - 18. Gender Selection The Genetics and IVF...Ch. 7.2 - Prob. 19BSCCh. 7.2 - 20. Mendelian Genetics When Mendel conducted his...Ch. 7.2 - 21. Online Books A Consumer Reports Research...Ch. 7.2 - 22. Want Boss’s Job? In a USA Today survey, 20.8%...Ch. 7.2 - 23. Job Interviews In a Harris poll of 514 human...Ch. 7.2 - 24. Job Interviews In a Harris poll of 514 human...Ch. 7.2 - Prob. 25BSCCh. 7.2 - Prob. 26BSCCh. 7.2 - Prob. 27BSCCh. 7.2 - Prob. 28BSCCh. 7.2 - Determining Sample Size. In Exercises 29-36, use...Ch. 7.2 - Determining Sample Size. In Exercises 29-36, use...Ch. 7.2 - Determining Sample Size. In Exercises 29-36, use...Ch. 7.2 - Determining Sample Size. In Exercises 29-36, use...Ch. 7.2 - Prob. 33BSCCh. 7.2 - Determining Sample Size. In Exercises 29-36, use...Ch. 7.2 - Determining Sample Size. In Exercises 29-36, use...Ch. 7.2 - Determining Sample Size. In Exercises 29-36, use...Ch. 7.2 - Using Appendix B Data Sets. In Exercises 37 and...Ch. 7.2 - Using Appendix B Data Sets. In Exercises 37 and...Ch. 7.2 - 39. Finite Population Correction Factor For...Ch. 7.2 - 40. Confidence Interval from Small Sample Special...Ch. 7.2 - Prob. 41BBCh. 7.2 - Prob. 42BBCh. 7.2 - Prob. 43BBCh. 7.3 - In Exercises 1-3, refer to the accompanying screen...Ch. 7.3 - Statistical Literacy and Critical Thinking In...Ch. 7.3 - In Exercises 1-3, refer to the accompanying screen...Ch. 7.3 - 4. Normality Requirement What does it mean when we...Ch. 7.3 - Using Correct Distribution. In Exercises 5-8,...Ch. 7.3 - Using Correct Distribution. In Exercises 5-8,...Ch. 7.3 - Using Correct Distribution. In Exercises 5-8,...Ch. 7.3 - Using Correct Distribution. In Exercises 5-8,...Ch. 7.3 - Confidence Intervals. In Exercises 9-24, construct...Ch. 7.3 - Confidence Intervals. In Exercises 9-24, construct...Ch. 7.3 - Confidence Intervals. In Exercises 9-24, construct...Ch. 7.3 - Confidence Intervals. In Exercises 9-24, construct...Ch. 7.3 - Prob. 13BSCCh. 7.3 - Prob. 14BSCCh. 7.3 - Prob. 15BSCCh. 7.3 - Prob. 16BSCCh. 7.3 - Prob. 17BSCCh. 7.3 - Prob. 18BSCCh. 7.3 - Prob. 19BSCCh. 7.3 - Prob. 20BSCCh. 7.3 - Prob. 21BSCCh. 7.3 - Prob. 22BSCCh. 7.3 - Confidence Intervals. In Exercises 9-24, construct...Ch. 7.3 - Prob. 24BSCCh. 7.3 - Prob. 25BSCCh. 7.3 - Prob. 26BSCCh. 7.3 - Prob. 27BSCCh. 7.3 - Prob. 28BSCCh. 7.3 - Prob. 29BSCCh. 7.3 - Prob. 30BSCCh. 7.3 - Prob. 31BSCCh. 7.3 - Prob. 32BSCCh. 7.3 - Prob. 33BSCCh. 7.3 - Prob. 34BSCCh. 7.3 - Prob. 35BBCh. 7.3 - Prob. 36BBCh. 7.3 - Prob. 37BBCh. 7.3 - Prob. 38BBCh. 7.3 - Prob. 39BBCh. 7.3 - Prob. 40BBCh. 7.3 - Prob. 41BBCh. 7.4 - 1. LDL Cholesterol Using the 40 LDL cholesterol...Ch. 7.4 - Prob. 2BSCCh. 7.4 - Prob. 3BSCCh. 7.4 - Prob. 4BSCCh. 7.4 - Prob. 5BSCCh. 7.4 - Prob. 6BSCCh. 7.4 - Prob. 7BSCCh. 7.4 - Prob. 8BSCCh. 7.4 - Prob. 9BSCCh. 7.4 - Prob. 10BSCCh. 7.4 - Prob. 11BSCCh. 7.4 - Finding Confidence Intervals. In Exercises 9-16,...Ch. 7.4 - Prob. 13BSCCh. 7.4 - Prob. 14BSCCh. 7.4 - Prob. 15BSCCh. 7.4 - Prob. 16BSCCh. 7.4 - Prob. 17BSCCh. 7.4 - Prob. 18BSCCh. 7.4 - Determining Sample Size. In Exercises 19-22,...Ch. 7.4 - Prob. 20BSCCh. 7.4 - Prob. 21BSCCh. 7.4 - Prob. 22BSCCh. 7.4 - Prob. 23BBCh. 7 - Prob. 1CQQCh. 7 - Prob. 2CQQCh. 7 - Prob. 3CQQCh. 7 - Prob. 4CQQCh. 7 - Prob. 5CQQCh. 7 - Prob. 6CQQCh. 7 - Prob. 7CQQCh. 7 - Prob. 8CQQCh. 7 - Prob. 9CQQCh. 7 - Prob. 10CQQCh. 7 - 1. Overpaid In a Gallup poll of 557 randomly...Ch. 7 - Prob. 2RECh. 7 - Prob. 3RECh. 7 - Prob. 4RECh. 7 - Prob. 5RECh. 7 - Prob. 6RECh. 7 - Prob. 7RECh. 7 - Prob. 8RECh. 7 - Prob. 9RECh. 7 - Prob. 10RECh. 7 - Prob. 1CRECh. 7 - Prob. 2CRECh. 7 - Prob. 3CRECh. 7 - Prob. 4CRECh. 7 - Prob. 5CRECh. 7 - Prob. 6CRECh. 7 - 7. Purell Survey In a survey of 1003 people, 59%...Ch. 7 - Prob. 8CRECh. 7 - Prob. 9CRECh. 7 - Prob. 10CRECh. 7 - Prob. 1FDDCh. 7 - Prob. 2FDDCh. 7 - Prob. 3FDDCh. 7 - Prob. 5FDDCh. 7 - Prob. 6FDD
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