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Smartphones and purchases. Refer to Exercise 8.1 (page

Introduction to the Practice of Statistics: w/CrunchIt/EESEE Access Card | 8th Edition | ISBN: 9781464158933 | Authors: David S. Moore, George P. McCabe, Bruce A. Craig ISBN: 9781464158933 206

Solution for problem 8.3 Chapter 8

Introduction to the Practice of Statistics: w/CrunchIt/EESEE Access Card | 8th Edition

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Introduction to the Practice of Statistics: w/CrunchIt/EESEE Access Card | 8th Edition | ISBN: 9781464158933 | Authors: David S. Moore, George P. McCabe, Bruce A. Craig

Introduction to the Practice of Statistics: w/CrunchIt/EESEE Access Card | 8th Edition

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Problem 8.3

Smartphones and purchases. Refer to Exercise 8.1 (page 489). (a) Find SEp, the standard error of p. (b) Give the 95% confidence interval for p in the form of estimate plus or minus the margin of error. (c) Give the confidence interval as an interval of percents.

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Sample Distributions (Chapter 10) Important definitions explained in these notes:  Sample space  Event  Parameter  Statistical inference  The Law of Large Numbers  Discrete Probability Models  Continuous Probability Models  Random Variable  Random Variable  X bar or xx  Central Limit Theorem  An unbiased estimator The Rules of Calculating Probabilities:  All values between 0 and 1  If S is sample space of a probability model, then P(s)=1  Addition rule for disjoint events: if two events have no outcomes in common, the probability that one or the other occurs is the sum of their individual probabilities a. P(A or B) = P(A) +

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Chapter 8, Problem 8.3 is Solved
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Textbook: Introduction to the Practice of Statistics: w/CrunchIt/EESEE Access Card
Edition: 8
Author: David S. Moore, George P. McCabe, Bruce A. Craig
ISBN: 9781464158933

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Smartphones and purchases. Refer to Exercise 8.1 (page