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iren2701 [21]
3 years ago
5

If there are 5,200 registered voters are randomly sampled, which statements are true of a sample of 30 voters? Check all that ap

ply.The sample size is too small and will show a large variation.The sample size is too small and can lead to false inferences.This is an invalid sample because it randomly chooses voters.A larger sample will give more reliable information.The sample size is too large to make inferences.
Mathematics
2 answers:
wel3 years ago
7 0

Answer:

The First, second, and fourth option

kondaur [170]3 years ago
5 0

Answer:

The sample size is too small and will show a large variation.

The sample size is too small and can lead to false inferences.

A larger sample will give more reliable information.

Step-by-step explanation:

-In statistical sampling, sample size is of critical importance.

-A large sample size increases the accuracy of mean values as it eliminates or flattens out outliers.

-A large sample size also leads to a lower margin of error as the confidence level increases.

-The is greater precision when a larger sample size is used.

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julio bisects angle PQR and labels a point on the bisector as S. He measures angle PQS with a protractor. The measure of angle P
Paha777 [63]

Answer:

The measure of angle PQR is 74 degrees

Step-by-step explanation:

* <em>Lets explain how to solve the problem</em>

- Bisect an angle means divide the angle into two equal parts in

  measures

- Ex: If angle ABC is bisected by a ray BD then:

- Angle ABC is divided into two equal parts in measure

 m∠ABD = m∠CBD and

 m∠ABC = m∠ABD + m∠CBD

- So we can say measure of angle ABC is twice measure of angle

 ABD or twice measure of angle CBD

*<em> Lets solve the problem</em>

- Julio bisects angle PQR and labels a point on the bisector as S

∴ m∠PQS = m∠RQS

∴ m∠PQR = m∠PQS + m∠RQS

∴ m∠PQR = 2 m∠PQS ⇒ (or 2 m∠RQS)

- He measures angle PQS with a protractor and find its measure is

  37 degrees

∵ m∠PQS = 37°

∴ m∠PQR = 2 × m∠PQS

∴ m∠PQR = 2 × 37 = 74°

∴ The measure of angle PQR is 74 degrees

8 0
3 years ago
2 divided by 5/12= what
AlekseyPX

Answer:

4.8

Step-by-step explanation:

2 ÷ 5/12 = 4.8

Make sure to use a calculator or solve on a piece of paper. :)

6 0
3 years ago
What does a1 stand for?
Elena L [17]

Answer:

It stands for like top quality, the best of the best

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Pls help <br>Lcm of 4 and 15? <br>least common multiple
kakasveta [241]
<h3>Answer:  60</h3>

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

Explanation:

Multiply the two values to get 4*15 = 60

Then divide by the GCF 1 to get 60/1 = 60. The GCF being 1 means the result hasn't changed.

------

Another example would be: "Find the LCM of 6 and 8". We would first do 6*8 = 48, then divide by the GCF 2 to get 48/2 = 24. The LCM of 6 and 8 is 24.

3 0
3 years ago
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A recipe for salad dressing calls for 4 parts oil for every 3 parts vinegar.How much oil should you use to make a total of 28 te
Aleksandr [31]

Answer: 3.5

Step-by-step explanation: 28/4= 3,5

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3 years ago
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