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Scrat [10]
3 years ago
5

I NEED HELP ASAP Write a mathematical sentence for the inequality: Three times the sum of a number and two is greater than zero.

Complete your work in the space provided. In the form of a paragraph, explain the process necessary to solve the inequality for the unknown values. In your answer, include the inequality sentence, solution and explanation.
Mathematics
1 answer:
Pepsi [2]3 years ago
3 0

Answer:

3x+2>0

Step-by-step explanation:

the 3x is there because its 3 times an unknown # and add 2, its also > sign because its greater than 0

its not rlly paragraph form but i hope it helps :)

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Answer:

0.3581<x<0.4429

Step-by-step explanation:

Using the formula for calculating the confidence interval of the population proportion p expressed as:

Confidence interval = p ± Z * √p(1-p)/n

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p = 200/500

p = 0.4

Z is the z-score at 95% CI = 1.96

n is the sample size = 500

Substituting the given parameters into the formula we will have;

Confidence interval = 0.4 ± 1.96 * √p(1-p)/n

Confidence interval = 0.4 ± 1.96 * √0.4(0.6)/500

Confidence interval = 0.4 ± 1.96 * √0.24/500

Confidence interval = 0.4 ± 1.96 * √0.00048

Confidence interval = 0.4 ± 1.96 * 0.0219

Confidence interval = 0.4±0.04294

Confidence interval = (0.3571, 0.4429)

Hence the confidence interval of the population mean is 0.3581<x<0.4429

5 0
3 years ago
Five books on Lisa's reading list are fiction.
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Step-by-step explanation:

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