2 years ago

Write 3.0035 as a fraction.

Mathematics

1 answer:

Ivahew [28]2 years ago

6 0

Answer: 7/20

Step-by-step explanation:

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WARRIOR [948]

Plus the equations to get
y=-8
The sun in y to either equation I’ll do y=2x-2
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Plus 2
-6=2x
Divided by 2
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The standard IQ test is designed so that the mean is 100100 and the standard deviation is 1515 for the population of all adults.

Natalija [7]

Answer:

The sample size should be approximately 151.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 100

Population standard deviation, σ = 15

We have to evaluate the sample size, n.

Alpha, α = 0.10

Confidence interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.10} = \pm 1.64$

$100 \pm 1.64(\frac{15}{\sqrt{n}} ) = (98,102)$

$100 \pm 1.64(\displaystyle\frac{15}{\sqrt{n}} ) = (98,102)\\\\1.64(\frac{15}{\sqrt{n}} ) = 2\\\\n = 151.29 \approx 151$

Thus, the sample size should be approximately 151.

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2 years ago

If you got it correct I will follow and mark it as brilliant answer

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A) 9 + 3x + 6 + 9x + 5
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