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eimsori [14]
3 years ago
14

In a sample of 200 observations, there were 80 positive outcomes. Find the standard error for the sample proportion.

Mathematics
1 answer:
Aleks [24]3 years ago
4 0

Answer:

Step-by-step explanation:Consider the quadratic function f(x) = x2 – 5x + 6.

What are the values of the coefficients and constant in the function?

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In a different dimension, cows have $x+3$ legs, with 3 toes on each leg. Chickens have $2x-4$ legs, with 7 toes on each leg. If
Juli2301 [7.4K]

Answer:

20x-10

Step-by-step explanation:

Cows have x+3 legs and 3 toes on each leg, if we want to find the number of toes of ONE cow we have to multiply the legs by the toes giving the following:

3(x+3) \quad (1)

But we have two cows so (1) we have to multiply it by 2 giving a total of:

2(3(x+3))\\6(x+3)\\6x+18 \quad (2)

By the other hand chickens have 2x-4 legs and 7 toes on each leg, if we want to find the number of toes we have to multiply the legs by the toes giving the following:

7(2x-4)\\14x-28 \quad (3)

To find the total amount of toes we have to add (2) and (3)

(6x+18)+(14x-28)\\20x-10

6 0
3 years ago
Doug left $3 as a tip on a lunch bill of $14.
Svetllana [295]

Answer:

a)

Step-by-step explanation:

5 0
3 years ago
Where is the number 5 − 9 located on a horizontal number line? (1 point)
taurus [48]
9 units to the left of 5. 
3 0
3 years ago
Simplify. Rewrite the expression in the form k⋅y^n. (2y^4)^3
N76 [4]

Answer:

The answer is

<h2>{8.y}^{12}</h2>

Step-by-step explanation:

(2y⁴)³

Using the rules of indices

That's

<h3>( {ax})^{b}  =  {a}^{b} . {x}^{b}</h3>

So for the above expression we have

<h3>( {2y^{4} })^{3}  =  {2}^{3} . {y}^{4 \times 3}</h3>

Simplify

We have the final answer as

<h2>8.y¹²</h2>

Hope this helps you

5 0
3 years ago
Felipe has 3/4 acre of land to use for a vegetable garden. He separates the land into vegetable plots that are each 1/12 acre. H
antiseptic1488 [7]

Answer:

1) The number of vegetable plot Filipe has = 9 vegetable plots

2) A number line with 1/12 divisions will give the number of 1/12 acre vegetable  plots as the number of divisions between 0 and 3/4

Step-by-step explanation:

1) The total size of the land Filipe has = 3/4 acre

The size of the vegetable plots to which he separates the land = 1/12 acre

The number of vegetable plot Filipe has = (The total size of the land Filipe has)/(The size of the vegetable plots to which he separates the land )

∴ The number of vegetable plot Filipe has = (3/4)/(1/12) = 9

The number of vegetable plot Filipe has = 9 vegetable plots

2) The number line can be used to model the situation by having the number line that has divisions of 1/12 unit and counting the number of 1/12 divisions between the zero (0) mark and the three quarter (3/4) mark

3 0
3 years ago
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