2 years ago

Please answer ASAP Solve: 4y – 8 – 2y + 5 = 0

Mathematics

1 answer:

aev [14]2 years ago

5 0

The answer would be y=3/2

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Mika is a local farmer who is interested in how often residents in her town go to a farmer's market each month. She surveys 124

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Answer:

The margin of error is of 0.3012, and it means that we should be 99% confident that the population mean would be within 0.3012 of the sample mean.

Step-by-step explanation:

Margin of error

$M = z\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation and n is the size of the sample.

Standard deviation of 1.3

This means that $\sigma = 1.3$

She surveys 124 families

This means that $n = 124$

Margin of error and meaning:

$M = z\frac{\sigma}{\sqrt{n}}$

$M = 2.58\frac{1.3}{\sqrt{124}}$

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