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Andrei [34K]
3 years ago
7

A sample statistic becomes more accurate as the same size increases due to

Mathematics
1 answer:
vova2212 [387]3 years ago
5 0

Idk what you r asking help

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Appropriate Inverse Operation
Nimfa-mama [501]
Multiplying both sides of the equation by 3 and substituting 4 for p
5 0
3 years ago
Can someone please help iam new to this and I don't get anything I would be great if you do all of them but show work please.
Ymorist [56]
ANSWER(S):

(located in file)

EXPLANATION(S):

(located in file)

4 0
3 years ago
Special right triangles quick check help please! can someone check if these answers are right?
frutty [35]
We have that cos30=\frac{7\sqrt{3}}{w} = \frac{\sqrt{3}}{2} by the definition of cos as the ratio of adjacent leg over the hypotenuse.  Hence, 7/w=1/2 by eradicating square roots. Solving for w in this equation we get that w=7*2=14.
We have that the 3 sides obey the Pythagoran theorem, because:(7\sqrt{3})^2+21^2=(14\sqrt{3})^2 because 488=147+441
Hence, the triangle is right. We also have that one side is half the hypotenuse hence one of the other angles of the triangle is 30 degrees because sin30=1/2. Finally, the third angle is 60 degrees because sum of angles=180.
Here, we have that sin 45=p/44=\frac{\sqrt2}{2}. Multiplying by 44, we have that p=22\sqrt{2}
6 0
4 years ago
50 people sponsor Paula and she raises a total of $180.65 for charity. 28 people sponsor Kate and she raises a total of $135.60
topjm [15]

Answer:

485.5

Step-by-step explanation:

180.65+135.60+169.25

4 0
2 years ago
Now we are testing to see whether taking a vitamin supplement each day has significant health benefits. There are no (known) har
ZanzabumX [31]

Answer:

Concluding that people should take vitamin supplement each day when they don't help.            

Step-by-step explanation:

We are given the following in the question:

Hypothesis:

Taking a vitamin supplement each day has significant health benefits and does not have any harmful side effects.

Null hypothesis:

Taking a vitamin supplement each day does not have have significant health benefits.

Alternate hypothesis:

Taking a vitamin supplement each day have have significant health benefits.

Type I error:

  • It the error of rejecting the a true null hypothesis.

So error I for this situation would be concluding that people should take vitamin supplement each day when they don't help.

3 0
3 years ago
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