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dezoksy [38]
3 years ago
8

A sample of 250 people resulted in a confidence interval estimate for the proportion of people who believe that the federal gove

rnment's proposed tax increase is justified is between 0.14 and 0.20. Based on this information, what was the confidence level used in this estimation?
Approximately 1.59
95 percent
Approximately 79 percent
Can't be determined without knowing
Mathematics
1 answer:
bagirrra123 [75]3 years ago
3 0

Answer: Approximately 79 Percent

Step-by-step explanation:

The confidence level used in this estimation is approximately 79 percent.

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I would say D. There is no logical explanation for the final answer but there is for everything else.

For A: Makes sense because 3x-2 are in parenthesis outside a number so you can multiply.

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2 years ago
5x – 6y = –29: ( __, 4)
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7 0
3 years ago
What is 2x - 3 = -x + 3
BARSIC [14]
<span>Simplifying 2x + -3 = -1x + 3
 Reorder the terms: -3 + 2x = -1x + 3
 Reorder the terms: -3 + 2x = 3 + -1x Solving -3 + 2x = 3 + -1x
 Solving for variable 'x'.
 Move all terms containing x to the left, all other terms to the right. Add 'x' to each side  of the equation. -3 + 2x + x = 3 + -1x + x
 Combine like terms: 2x + x = 3x -3 + 3x = 3 + -1x + x
 Combine like terms: -1x + x = 0 -3 + 3x = 3 + 0 -3 + 3x = 3
 Add '3' to each side of the equation. -3 + 3 + 3x = 3 + 3
 Combine like terms: -3 + 3 = 0 0 + 3x = 3 + 3 3x = 3 + 3
 Combine like terms: 3 + 3 = 6 3x = 6
 Divide each side by '3'. x = 2
 Simplifying x = 2

answer x=2

Hope I Helped:D</span>
7 0
3 years ago
Read 2 more answers
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