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Maksim231197 [3]
2 years ago
12

Maridel wants to find out how many of her classmates plan to come to the next football game. There are 800 students in her schoo

l. She selects a sample of the population by putting the names of every student into a bag and drawing out 100 names.
Which statement(s) describe her sampling method? Check all that apply.
A) Her method will produce a biased sample.
B) Her method will produce a valid sample.
C) Her method will produce a random sample.
D) Her method will produce a representative sample.
E) Her method will produce an invalid sample.
Mathematics
2 answers:
suter [353]2 years ago
7 0

Answer:

Maridel wants to find out how many of her classmates plan to come to the next football game. There are 800 students in her school. She selects a sample of the population by putting the names of every student into a bag and drawing out 100 names.

Which statement(s) describe her sampling method? Check all that apply.

A) Her method will produce a biased sample.

<u>B) Her method will produce a valid sample.</u>

<u>C) Her method will produce a random sample.</u>

<u>D) Her method will produce a representative sample.</u>

E) Her method will produce an invalid sample.

Step-by-step explanation:

Dennis_Churaev [7]2 years ago
4 0

Answer:

the answer would be B and C

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Lisa has $150 at most to spend on clothes. She wants to buy a pair of jeans for $58 and will spend the rest on t-shirts that cos
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14t + 58 ≤ 150

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If she cannot spend more than what she has, which is 150, the inequality sign has to be "less than or equal to".  It's ok if she spends less than 150, but not ok if she spends more, because she doesn't have it to spend.

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That means that the cost of the jeans PLUS the unknown number of shirts cannot exceed 150.

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A researcher is investigating variables that might be associated with the academic performance of high school students. She exam
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5 0
2 years ago
What is the measure in radians for the central angle of a circle whose radius is 8 cm and intercepted arc length is 7.2 cm?
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central angle of a circle whose radius is 8 cm and intercepted arc length is 7.2 cm is 0.9 radians

Step-by-step explanation:

We need to find the central angle of a circle whose radius is 8 cm and intercepted arc length is 7.2 cm.

arc length l== 7.2 cm

radius =r= 8 cm

central angle=Ф = ?

The formula used is:

l=r\theta

Putting values:

\theta=\frac{l}{r}\\ \theta=\frac{7.2}{8} \\\theta=0.9\,\,radians

So, central angle of a circle whose radius is 8 cm and intercepted arc length is 7.2 cm is 0.9 radians

Keywords: central angle of circle

Learn more about central angle of circle at

  • brainly.com/question/8618791
  • brainly.com/question/1952668
  • brainly.com/question/2860697

#learnwithBrainly

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