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Marrrta [24]
2 years ago
13

Anyone Can you please check the already done one, and the rest I just need help!!! please:

Mathematics
1 answer:
tia_tia [17]2 years ago
8 0

Answer:

yes your math seems about right but wait for someone else to respond also because im not completely sure

Step-by-step explanation:

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The circumference is about ___ m <br><br>use 3.14 for pi.​
Juliette [100K]

The circumference is:

14.6 x 3.14 = 45.844 (m)

4 0
3 years ago
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A researcher is 95% confident that the interval from 5.2 hours to 7.8 hours captures u = the true mean amount of time
igor_vitrenko [27]
<h3>Answer: Choice B</h3>

No, this is not a plausible value for the population mean, because 5 is not within the 95% confidence interval.

====================================================

Explanation:

The greek letter mu is the population mean. It has the symbol \mu which looks like the letter 'u' but with a tail at the front or left side.

The question is asking if mu = 5 is plausible if the researcher found the 95% confidence interval to be 5.2 < mu < 7.8

We see that 5 is <u>not</u> in that interval. It's a bit to the left of 5.2

Since mu = 5 is not in the interval, it's not a plausible value for the population mean.

Have we ruled it out with 100% confidence? No. Such a thing is not possible. There's always room for (slight) error. The researcher would need to do a census to be fully confident; however, such practices are very time consuming and expensive. This is the main reason why statistics is important to try to estimate the population with a sample.

8 0
2 years ago
What are congruence of a triangle
Katen [24]

Answer:

it is when two triangles are similar to each other in every way.

Mainly there are 4 TYPES OF CONGRUENCY.(A.A.S, S.S.S, R.H.S, S.A.S )

6 0
3 years ago
Please help me !!! need help will mark brainly
Ronch [10]

Answer:

1. is 3 2/3

2. is 3 1/4

3. is 2 1/4

Hope this helped! :)

4 0
3 years ago
How many 1/3 are in 3/4
maksim [4K]
3 i believe.because well 3 yeah
8 0
3 years ago
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