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Luba_88 [7]
3 years ago
10

What is the purpose of calculating a confidence interval?

Mathematics
1 answer:
lidiya [134]3 years ago
7 0

Answer:

Is to give us a range of values for our estimated population parameter rather than a single value or a point estimate.

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Answer this for me please
dybincka [34]

Answer:

-3

Step-by-step explanation:

You cant count the spaces up (9) and over (-3) between the two points and do up/over so it would be 9/-3 and simplified that is -3/1 or 3

6 0
3 years ago
I am a number that rounds to 30. What number could I be? Could I be a different number? Explain your thinking
guapka [62]
Well any number that would round to 30 has to be over 25 so if that's all the information they give you, the number can we any where from 25 to 29.999... Also saying that it could be a different number
3 0
3 years ago
How do i find the measures of the angles
Over [174]
Do you have a protractor? If so, use it and place the center whole, that is located at the bottom, and place it on the dot of the angle. where the arrow hits, is your angle degree. You should be able to identify the angle type.
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3 years ago
If the lengths of the sides of similar triangles were quadrupled, what would happen to the lengths of the altitudes? (please hel
dsp73
An altitude is a line that connects the vertex angle to the opposite side, or base at a 90 degree angle, therefore, if the length of the two sides quadrupled, the length of the altitude would also have to quadruple.
5 0
3 years ago
Two investments totaling $ 18,000 produce an annual income of $1370. One investment yields 7% per year, while the other yields 8
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Let amount invested at 6% be S
Then amount invested at 8% = 16,000 - S 
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