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padilas [110]
2 years ago
14

What is the standard error of the sampling distribution of sample proportion?.

Mathematics
1 answer:
storchak [24]2 years ago
5 0

Answer:

√ (p(1-p) / n)

Step-by-step explanation:

Standard Error(SE) of the Sample Proportion: √ (p(1-p) / n). Note: as the sample size increases, the standard error decreases.

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Hope this helps you! Feel free to give feedback

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Chris bought six pounds of apples for 10.80. How much would 15 pounds of apples cost at the same price per pound?
muminat

Answer:

$27

Step-by-step explanation:

10.80/6=1.8

1.8×15= 27

the cost is $1.80 per pound

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3 years ago
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F(x) = 7x + 9, g(x) = 4x - 1;<br> Find (fºg)(x).
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Answer: (fºg)(x) = 28x + 2

(Step-by-step explanation:

8 0
3 years ago
Your lunch account has $23 and you spend $2.20 each day on your lunch write an equation for the line
-BARSIC- [3]

Answer:

Assuming you mean until the lunch money balance runs out,

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Step-by-step explanation:

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The last step is to set it equal to $23 dollars to be able to factor out the answer.


Hope this Helped!

4 0
3 years ago
Please help, I need an explanation on how to do this type of problems. I've been at this assignment for the whole day and I'm ne
laila [671]

Answer:

See image

Step-by-step explanation:

To graph the inequality

-2x + y >= -10

Change it to y = mx + b form, use a solid line (bc of the "or equal to" underline)

y >= 2x - 10 We have y-intercept at -10 and slope 2/1, shading goes above the line.

The other graph is an absolute value graph; it has a v-shape. The 7 makes it stretched 7 times taller (and skinnier) the -4 by the x shifts the whole graph to the right 4 units. The -4 at the end of the equation shifts the whole graph down 4 units. See image. The shading goes above the V (kind of looks like inside)

The solution to the system is where the shading of the two overlap. It is mostly the shading for the absolute value graph except for a tiny triangle at the bottom. See image.

4 0
2 years ago
Mrs. Delgado managed a bookstore. The bookstore buys a book for $20. She marked up the price by 25% to sell it in her store. Wha
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25% = 0.25

20 x 1.25 = 25
 she sells it for $25

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3 years ago
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