Prof. Jacob wants to know, with 90% confidence, the proportion of students who like to eat in the cafeteria.  A previous survey showed that 62% like to eat in the cafeteria. Prof. Jacob likes to be accurate with an error of 0.025 of its true proportion. What sample size does Prof. Jacob need?*         A. 1,020       B. 1,020.06       C. 1,021       D. 1,022

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 3E
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Prof. Jacob wants to know, with 90% confidence, the proportion of students who like to eat in the cafeteria.  A previous survey showed that 62% like to eat in the cafeteria. Prof. Jacob likes to be accurate with an error of 0.025 of its true proportion. What sample size does Prof. Jacob need?*
 
 
 
 
A. 1,020
 
 
 
B. 1,020.06
 
 
 
C. 1,021
 
 
 
D. 1,022
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