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1 year ago

Solve the inequality. Graph your solution. $$ - 5.3 x > 21 |

Mathematics

1 answer:

kobusy [5.1K]1 year ago

4 0

The solution to the inequality - 5.3 + x > 21 is x > 26.3

In mathematics, inequality refers to a relation which makes a non-equal comparison between two numbers or other mathematical expressions. In other words, it is a relationship between two expressions or values that are not equal to each other. It is used generally used to compare two numbers on the number line by their size.

In order to solve the given inequality - 5.3 + x > 21, add 5.3 both sides.

- 5.3 + x + 5.3 > 21 + 5.3

x > 26.3

The solution means that the value of x is greater than 26.3. The solution is graphed on a number line.

Learn more about Inequality:

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Step-by-step explanation:

Hello!

Your study variable is X: "number of ColorSmart-5000 that didn't need repairs after 5 years of use, in a sample of 390"

X~Bi (n;ρ)

ρ: population proportion of ColorSmart-5000 that didn't need repairs after 5 years of use. ρ = 0.95

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Applying the Central Limit Theorem you approximate the distribution of the sample proportion to normal to obtain the statistic to use.

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^ρ± $Z_{1-\alpha /2}$ * √[(^ρ(1-^ρ))/n]

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