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
Oxana [17]
3 years ago
9

What is a random sampling

Mathematics
1 answer:
Masja [62]3 years ago
8 0

Random sampling is when you select a random group of people for something.

Ex. Out of a population of 259,096 people, a random sample of 400 people are choosen.

You might be interested in
Part B
Troyanec [42]

Answer:

Part A) The length of a straight line between the school and the Fire Station is 4.6\ miles

Part B) The length of a straight line between the school and the hospital is 2.1\ miles

Step-by-step explanation:

<u><em>The complete question in the attached figure</em></u>

Let

The positive x-coordinates ----> East

The positive y-coordinates ----> North

The negative x-coordinates ----> West

The negative y-coordinates ----> South

take the point A (0,0) as the Middle School (reference point)

Part A) we have

Town Hall is located 4.3 miles directly east of the Middle School

so

The coordinates of Town Hall are B(4.3,0)

The Fire Station is located 1.7 miles directly North of Town Hall

so

The coordinates of Fire Station are C(4.3,1.7)

What is the length of a straight line between the school and the Fire Station?

Remember that

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

A(0,0) and C(4.3,1.7)

substitute

d=\sqrt{(1.7-0)^{2}+(4.3-0)^{2}}

d=\sqrt{(1.7)^{2}+(4.3)^{2}}

d=4.6\ miles

Part B) we have that

The hospital is 3.1 miles west of the fire station

so

The coordinates of the hospital are D(4.3-3.1,1.7)

D(1.2,1.7)

What is the length of a straight line between the school and the hospital?

Remember that

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

A(0,0) and D(1.2,1.7)

substitute

d=\sqrt{(1.7-0)^{2}+(1.2-0)^{2}}

d=\sqrt{(1.7)^{2}+(1.2)^{2}}

d=2.1\ miles

7 0
3 years ago
What’s 890,000,090 in scientific notation
worty [1.4K]

Answer:

[See Below]

Step-by-step explanation:

Hey~There!

________________________

➜ Turn into scientific notation :

  • 890,000,090=8.9000009*10^{8}

________________________

So the answer is \bold8\bold.\bold9\bold0\bold0\bold0\bold0\bold0\bold9\bold*\bold1\bold0^{\bold8}.

________________________

Hope~this~helps~Mate!\\-Your~Friendly~Answerer,~Shane ヅ

5 0
3 years ago
Read 2 more answers
Can I get this answers please ​
sergeinik [125]
<h2>Answer: <u><em>use g--gle or maths genie</em></u></h2>

Step-by-step explanation:

4 0
3 years ago
Which point is located at (3.5, -4.5)?
vladimir1956 [14]

Answer:

point R

Step-by-step explanation:

.............

7 0
3 years ago
Read 2 more answers
-2+-3= <br> Positive and a negative
asambeis [7]

Answer:

-2+-3= -5 (negative)

7 0
3 years ago
Other questions:
  • A coin is tossed 20 times. The outcomes H (for heads) and T (for tails) are recorded:
    10·2 answers
  • Simplify: 20 sin(2x) cos(2x)
    9·1 answer
  • Find the equation (0,-4) and (4,0)
    15·1 answer
  • HELP ME WILLING TO PAY AND HAVE DONE TO OTHERS!
    8·1 answer
  • PLEASE HELP ASAP!! THANK YOU SO MUCH!
    11·2 answers
  • I have to place them in order.m
    6·1 answer
  • ~~~ 30 POINTS ~~~
    13·2 answers
  • The graph of the parent function f(x) = x3 is translated to form g(x) = (x – 2)3 – 3. Which is the graph of g(x), the translated
    14·2 answers
  • 43.44+2.45 divide 0.5* 1.15
    12·1 answer
  • 3 A 1-foot piece of fruit snack is cut into two pieces. One piece is - of a foot. What is the length of the other piece of fruit
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!