The data manager for a state political party gathered data to determine how many citizens would support the party's senate candidate. He polled citizens in 30 similarly sized senate districts and found a sample mean of 70,438 citizens. Statewide data shows that the population standard deviation is 645.3. What is the approximate 90% confidence interval for this situation? O A. 70,134 and 70,742 O B. 70,207 and 70,669 OC. 70,403 and 70,473 OD. 70,244 and 70,632
The data manager for a state political party gathered data to determine how many citizens would support the party's senate candidate. He polled citizens in 30 similarly sized senate districts and found a sample mean of 70,438 citizens. Statewide data shows that the population standard deviation is 645.3. What is the approximate 90% confidence interval for this situation? O A. 70,134 and 70,742 O B. 70,207 and 70,669 OC. 70,403 and 70,473 OD. 70,244 and 70,632
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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The data manager for a state political party gathered data to determine how many citizens would support the party's senate candidate. He
polled citizens in 30 similarly sized senate districts and found a sample mean of 70,438 citizens. Statewide data shows that the population
standard deviation is 645.3. What is the approximate 90% confidence interval for this situation?
O A. 70,134 and 70,742
O B. 70,207 and 70,669
OC. 70,403 and 70,473
O D. 70,244 and 70,632
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