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Irina-Kira [14]
3 years ago
11

(12 points and brainliest!) A group of armed forces personnel were surveyed. The branch of service was recorded in the chart bel

ow.
Help, Please and thank you!

Mathematics
1 answer:
Rzqust [24]3 years ago
5 0

Answer:

43.2 degrees

Step-by-step explanation:

1. First, find the total number of people who were surveyed.

165+135+60+130+10=500

2. Next, figure out how many the Marine Corps is out of those 500 people.

60/500= 0.12 =12%

3. Last, find out what degree the 12% would take up.

We know that a circle is 360 degrees. To find 12% of 360 degrees, you will do:

0.12*360=43.2

So, the answer is 43.2 degrees

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Answer: D. A single number calculated from the sample that estimates a target population parameter is called a point estimator.

An interval estimator is a range of numbers that contain the target parameter with a high degree of confidence.

Step-by-step explanation:

When we evaluate an range of values for an unknown population parameter, then it is known as interval estimation .

A single number evaluated from the SAMPLE that estimates an unknown population parameter is known as a point estimator.

The general difference between point and interval estimator is the point estimator is a single value of target parameter while interval estimator is a range of numbers to estimate the values about the unknown population.

4 0
3 years ago
Please help im really confused<br><br> Which expression is equivalent to 4(7 + 8)?
Hatshy [7]

Answer:

With the answer choices:

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Hope this helps!

8 0
3 years ago
Please help me I really need these to be answered. Whoever does it gets 100 points!
Galina-37 [17]

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1. C

2. B

3. B

4. A

5. B

Step-by-step explanation:

if u dont mind giving me brainliest im just tryna rank up.

3 0
2 years ago
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Let, his original money = x
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