Answer:
2239
Step-by-step explanation:
Given-
Percent of peopl polling yes to the question "Are you in favor of the death penalty for a person convicted of murder?" 
%
Margin error in the poll 
%
Confidence Interval 
%
The alpha value is 
The 
for Confidence Interval of 
% 
The sample size is given by
Where,
Answer:
D.) 1:5
Step-by-step explanation:
The reason why it's D is because when you simplify the original ration, 4:20, you get the simplified answer of 1:5. When you divide each side by 4, you get the ratio of 1:5.
So, D.) 1:5
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Solve for x over the real numbers using factor method:
10 x^2 + 19 x - 15 = 0
The left hand side factors into a product with two terms:
(2 x + 5) (5 x - 3) = 0
Split into two equations:
2 x + 5 = 0 or 5 x - 3 = 0
Subtract 5 from both sides:
2 x = -5 or 5 x - 3 = 0
Divide both sides by 2:
x = -5/2 or 5 x - 3 = 0
Add 3 to both sides:
x = -5/2 or 5 x = 3
Divide both sides by 5:
Answer: x = -5/2 or x = 3/5
