A population proportion is to be estimated. Estimate the minimum sample size needed to achieve a margin of error of 0.07 with a 95% degree of confidence. OA. 14 B. 408 OC. 204 D. 102 ...

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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K
A population proportion is to be estimated. Estimate the minimum sample size needed to achieve a margin of error of
0.07 with a 95% degree of confidence.
O A. 14
O B. 408
OC. 204
O D. 102
☆
Transcribed Image Text:K A population proportion is to be estimated. Estimate the minimum sample size needed to achieve a margin of error of 0.07 with a 95% degree of confidence. O A. 14 O B. 408 OC. 204 O D. 102 ☆
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K
A researcher wishes to estimate the proportion of children in a certain neighborhood who are living with only one parent.
She wishes to achieve a margin of error of 0.032. What is the minimum sample size needed?
O A. 1,954
B. 31
C. 488
OD. 977
E.
Transcribed Image Text:K A researcher wishes to estimate the proportion of children in a certain neighborhood who are living with only one parent. She wishes to achieve a margin of error of 0.032. What is the minimum sample size needed? O A. 1,954 B. 31 C. 488 OD. 977 E.
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