Given: Sample proportion: 0.4 Sample size = 200 Confidence level = 0.99 Z-critical value = 2.576 Margin of error = 0.035 1. What is the lower bound confidence interval? A. 0.311 B. 0.420 C. 0.489 D. 0.563 2. What is the upper bound confidence interval? A. 0.311 B. 0.420 C. 0.489 D. 0.563

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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HELLO! PLEASE ANSWER THESE ASAP. TY.

Given:
Sample proportion: 0.4
Sample size = 200
Confidence level = 0.99
Z-critical value = 2.576
Margin of error = 0.035
%3D
1. What is the lower bound confidence interval?
A. 0.311 B. 0.420 C. 0.489 D. 0.563
2. What is the upper bound confidence interval?
A. 0.311 B. 0.420 C. 0.489 D. 0.563
Transcribed Image Text:Given: Sample proportion: 0.4 Sample size = 200 Confidence level = 0.99 Z-critical value = 2.576 Margin of error = 0.035 %3D 1. What is the lower bound confidence interval? A. 0.311 B. 0.420 C. 0.489 D. 0.563 2. What is the upper bound confidence interval? A. 0.311 B. 0.420 C. 0.489 D. 0.563
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