1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Irina18 [472]
3 years ago
14

A professor wants draw a sample of 50 students to fill out a questionnaire about which sports they play. The professor’s 10:00 a

m class has 50 students. She uses the first 20 minutes of class to have the students fill out the questionnaire. Which sampling method did the professor use?
Mathematics
1 answer:
Vikentia [17]3 years ago
8 0

Step-by-step explanation:

I would suggest that this is cluster sampling.

The teacher is selecting a cluster of the population at random to sample.

This is a method of probabalistic sampling.

You might be interested in
1. Determine the measure of the unknown angles indicated by letters. Justify your answers with
Maurinko [17]

Answer:

hello,

Step-by-step explanation:

a)

In an isocele triangle, base's angles have the measure:

42+2a=180

2a=180-42

a=69(°)

b)

in a triangle, an external angle has for measure the sum of the angles not adjacents.

55+b=132

b=77 (°)

c)

in a quadrilater the sum of the (interior) angles is 2*180=360 degrees.

90+90+68+c=360

c=360-90-90-68

c=112 (°)

7 0
3 years ago
7. Sarah bought a lawnmower for $320. She signed up for the buy now pay later plan at the store with the following conditions: $
erastova [34]
Amount financed
320−100=220

Total paid
100+25×12=400

Interest paid
400−320=80

Interest rate=(2yc)÷(m (n+1))
I=(2×12×80)÷(220 (12+1))
I=(2×12×80)÷(220×13)
I=0.67×100
I=67%
4 0
3 years ago
Read 2 more answers
Complete The Table Of Ratios
sineoko [7]
4:3 8:6 24:18 20:15 is the complete ratio table.
8 0
3 years ago
Read 2 more answers
Solve the system by substitution. <br><br> y = 2x<br> 3x + 2y = 21
7nadin3 [17]
Y=2x
3x+2y=21
3x+2(2x)=21
3x+4x=21
7x=21
x=3
y=2(3)
y=6
8 0
3 years ago
Help me ill give brainlist i swear i will
PSYCHO15rus [73]

Answer:

36.3

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • At the farmer's market, there is a scale that measures the weight of fruit and vegetables. The needle is 16cm long, and it rotat
    6·1 answer
  • Which equation is not a linear equation?
    6·1 answer
  • A letter that represents an unknown number is
    8·2 answers
  • If the volume of the pyramid is 72cm3, what is it’s height in cm? A.3. B.9. C.12. D.18
    5·1 answer
  • URGENT!!
    8·1 answer
  • Rewrite the decimal as a simple fraction in lowest terms. 0.005
    14·2 answers
  • Help with question 4 please
    7·1 answer
  • PLEASEEEE HELP ME ILL GIVE YOU BRAINIEST!!
    6·1 answer
  • Form a polynomial whose zeros and degree are given. ​Zeros: 2​, multiplicity​ 1; 4​, multiplicity​ 2; degree 3
    10·1 answer
  • What is the approximate area of a circle with a raduis of 15
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!