b. i If you knew that a study reported that 67% of pre-kindergarten children ages 3 to 5 whose mother had a bachelor's degree or higher were enrolled in center-based early childhood care and education programs, how large of a sample is needed to verify this estimate of the true proportion within 5% with 90% confidence? Round appropriately. 90% Conf. Intened P I ME - O.05 %3D

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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How do I do this on a ti84 plus? Disregard the writing on the paper.
rs
b. If you knew that a study reported that 67% of pre-kindergarten children ages 3 to 5 whose
mother had a bachelor's degree or higher were enrolled in center-based early childhood care and education
programs, how large of a sample is needed to verify this estimate of the true proportion within 5% with
90% confidence? Round appropriately.
vin
rs
90% Conf. Intend P I ME =0.05
M. EZVE (1-P)
M.E=Z。「分ハ-P)
6.67)(1-0,67)
(n)o.05
1.65x0.9702
-1.60.9702
0.65ch65
n=(15.52)
- 240. 89
0.05
e intoruo1 with
050/
Transcribed Image Text:rs b. If you knew that a study reported that 67% of pre-kindergarten children ages 3 to 5 whose mother had a bachelor's degree or higher were enrolled in center-based early childhood care and education programs, how large of a sample is needed to verify this estimate of the true proportion within 5% with 90% confidence? Round appropriately. vin rs 90% Conf. Intend P I ME =0.05 M. EZVE (1-P) M.E=Z。「分ハ-P) 6.67)(1-0,67) (n)o.05 1.65x0.9702 -1.60.9702 0.65ch65 n=(15.52) - 240. 89 0.05 e intoruo1 with 050/
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