4 years ago

What is y^2-y^1/x^2-x^1

Mathematics

1 answer:

Luda [366]4 years ago

6 0

It's the equation for slope. Y2 - Y1 over X2 - X1

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Is 5.1 x 10^-8 in scientific notation?

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Yes, it's in scientific notation.

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x years after the year 2015 the population of the city of Fulton is given by the function of F(x)=35000(1.03)^x and the populati

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Step-by-step explanation:

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3 years ago

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ehidna [41]

Answer:

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3 years ago

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What is the area of the rectangle?

Margaret [11]

A = bh
A = (6x^6)(7x^2)
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3 years ago

A bag contains chips of which 27.5 percent are blue. A random sample of 5 chips will be selected one at a time and with replacem

emmasim [6.3K]

Answer:

$\mu _{\hat{p}}= 0.275\\\\ \sigma_{\hat{p}}=0.1997$

Step-by-step explanation:

We know that the mean and standard deviation of the sampling distribution of the sample proportion( $\hat{p}$ ) is given by :-

$\mu _{\hat{p}}=p\\\\ \sigma_{\hat{p}}=\sqrt{\dfrac{p(1-p)}{n}}$

, where p= Population proportion and n = sample size.

Let p be the proportion of blue chips.

As per given , we have

p= 0.275

n= 5

Now , the mean and standard deviation of the sampling distribution of the sample proportion of blue chips for samples of size 5 will be :

$\mu _{\hat{p}}= 0.275\\\\ \sigma_{\hat{p}}=\sqrt{\dfrac{ 0.275(1- 0.275)}{5}}\\\\=0.19968725547\approx0.1997$

Hence, the mean and standard deviation of the sampling distribution of the sample proportion of blue chips for samples of size 5 are :

$\mu _{\hat{p}}= 0.275\\\\ \sigma_{\hat{p}}=0.1997$

6 0

3 years ago