(c) Provide the sample proportion, p hat, used to estimate the population proportion p of all adults who bought a lottery ticke

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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A recent Gallup Poll asked 1523 adults if they bought a lottery ticket in the past year. Eight hundred sixty-eight (868) of the adults said "Yes." The poll was carried out by
telephone, so people without phones were excluded from the sample.
(a) Select the best answer to the question: Any errors in the final result due to excluding people without phones:
A) Are included in the announced margin of error.
B) Can be ignored, because these people are not part of the population.
C) Are in addition to the announced margin of error.
D) Can be ignored, because this is a nonsampling error.
Transcribed Image Text:A recent Gallup Poll asked 1523 adults if they bought a lottery ticket in the past year. Eight hundred sixty-eight (868) of the adults said "Yes." The poll was carried out by telephone, so people without phones were excluded from the sample. (a) Select the best answer to the question: Any errors in the final result due to excluding people without phones: A) Are included in the announced margin of error. B) Can be ignored, because these people are not part of the population. C) Are in addition to the announced margin of error. D) Can be ignored, because this is a nonsampling error.
(c) Provide the sample proportion, p hat, used to estimate the population proportion p of all adults who bought a lottery ticke
Transcribed Image Text:(c) Provide the sample proportion, p hat, used to estimate the population proportion p of all adults who bought a lottery ticke
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