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
natka813 [3]
3 years ago
8

When a local television station sends a crew to interview joggers in the city park on a beautiful spring day, what type of sampl

e is being used? cluster sample multistage area sample systematic sample convenience sample?
Mathematics
1 answer:
polet [3.4K]3 years ago
4 0
This is a convenience sample, since they are interviewing people that are already out in the park.
You might be interested in
B Christian installed an electric pump to pump water from a borehole into a 30 000 litre cement dam. If the water is pumped at a
skelet666 [1.2K]

Given the amount of water needed to fill the cement dam and the water pump rate, the time needed to fill the dam is 400 minutes or 6hours 40minutes.

Option B)6h 40min is the correct answer.

<h3>How long does it take to fill the dam?</h3>

Given that;

  • Amount of water needed to fill the dam A = 30000 litres
  • Pump rate r = 75 litres per minute
  • Time needed to fill the dam T = ?

To determine how long it take to fill the dam, we say;

Time need = Amount of water needed ÷ Pump rate

T = A ÷ r

T = 30000 litres ÷ 75 litres/minute

T = 400 minutes

Note that; 60min = 1hrs

Hence,

T = 6hours 40minutes

Given the amount of water needed to fill the cement dam and the water pump rate, the time needed to fill the dam is 400 minutes or 6hours 40minutes.

Option B)6h 40min is the correct answer.

Learn more word problems here: brainly.com/question/2610134

#SPJ1

8 0
2 years ago
Find the value of the triangle h=?
Svetradugi [14.3K]
I don’t know sorry bro sorry
8 0
3 years ago
Read 2 more answers
Complete all parts to solve 2.3 * 3.2?
hichkok12 [17]

Answer:

the awnser is -0.9 ......

4 0
4 years ago
3
blagie [28]

Step-by-step explanation:

its say $3.50 each so for a week you multiply $3.50 by 3 because the are 3 days which will be equal to $10.5

the you divide $84 by $10.5

and the answer is =8weeks

6 0
3 years ago
A chemist needs a 20% solution of alcohol. How many liters of 15% solution should be added to 4 liters of 40% solution to get a
lyudmila [28]

Answer:

16

Step-by-step explanation:

Let's call the liters x. We can write 0.15x + 0.4 * 4 = 0.2 (x + 4). When we solve for x we get x = 16 liters.

6 0
3 years ago
Other questions:
  • I need help with this ​
    9·1 answer
  • Eric's apartment is 1350 s1quare feet, how many square meters of carpet will he need to order?​
    15·2 answers
  • The time spent (in days) waiting for a heart transplant for people 35-49 can be approximated by the normal distribution what is
    6·1 answer
  • In two or more complete sentences, identify the parent function, and describe the transformations that were applied to
    11·1 answer
  • Angle abc is an inscribed angle of circle p. What is the measure of angle ACB if the arc of AB is 50
    5·1 answer
  • 23.75 into a fraction
    15·1 answer
  • Please help me with this surds question. Explain how you got your answer.
    8·1 answer
  • um, help. I need to write a second equation so that -6x+y=1 has one solution but I completely forgot how to. Help plz.
    12·1 answer
  • A computer salesman makes $10 per hour and 0.5% commission on what he sales. If he works for 40 hours this week, and he sales $4
    11·1 answer
  • Please help me get the question right ​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!