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
GREYUIT [131]
2 years ago
10

A college has 480 students. Each student is numbered 1 through 480. A sample of 25 students is needed, so a computer randomly ge

nerates 25 numbers from 1 through 480. What kind of sampling method is being used?
convenience sampling

simple random sampling

systematic sampling

volunteer sampling
Mathematics
2 answers:
solmaris [256]2 years ago
4 0

The answer is simple random

Monica [59]2 years ago
3 0
Convenience. She just asked whoever she saw.

Simple random sampling. There was no sort of grouping or anything involved, and they tell you random numbers were used.

121 of 162 said yes, so the experimental probability is 121/162
4055 * 121/162 = 3028.73... = 3029 people.
• if u have any concerns contact me okay<3
You might be interested in
A group of 247 people are traveling in vans to a zoo. The greatest number of people who can travel in
NeTakaya

Answer:

B

Step-by-step explanation:

247 divided by 15 equals 16 and a whole bunch of nunbers

7 0
2 years ago
The prices of commodities X,Y,Z are respectively x, y, z, rupees per unit. Mr. A purchases 4 units of Z and sells 3 units of X a
liubo4ka [24]

Answer:

(x,y,z)=(1477, 1464, 1437)

Step-by-step explanation:

Consider the selling of the units positive earning and the purchasing of the units negative earning.

<h3>Case-1:</h3>
  • Mr. A purchases 4 units of Z and sells 3 units of X and 5 units of Y
  • Mr.A earns Rs6000

So, the equation would be

3x  +  5y - 4z = 6000

<h3>Case-2:</h3>
  • Mr. B purchases 3 units of Y and sells 2 units of X and 1 units of Z
  • Mr B neither lose nor gain meaning he has made 0₹

hence,

2x   - 3y  +  z = 0

<h3>Case-3:</h3>
  • Mr. C purchases 1 units of X and sells 4 units of Y and 6 units of Z
  • Mr.C earns 13000₹

therefore,

- x    + 4y  +  6z = 13000

Thus our system of equations is

\begin{cases}3x  +  5y - 4z = 6000\\2x   - 3y  +  z = 0\\ - x    + 4y  +  6z = 13000\end{cases}

<u>Solving </u><u>the </u><u>system </u><u>of </u><u>equations</u><u>:</u>

we will consider elimination method to solve the system of equations. To do so ,separate the equation in two parts which yields:

\begin{cases}3x  +  5y - 4z = 6000\\2x   - 3y  +  z = 0\end{cases}\\\begin{cases}2x   - 3y  +  z = 0\\ - x    + 4y  +  6z = 13000\end{cases}

Now solve the equation accordingly:

\implies\begin{cases}11x-7y=6000\\-13x+22y=13000\end{cases}

Solving the equation for x and y yields:

\implies\begin{cases}x= \dfrac{223000}{151}\\\\y= \dfrac{221000}{151}\end{cases}

plug in the value of x and y into 2x - 3y + z = 0 and simplify to get z. hence,

\implies z= \dfrac{217000}{151}

Therefore,the prices of commodities X,Y,Z are respectively approximately 1477, 1464, 1437

6 0
2 years ago
12y - 15x + 6 please hurry
ddd [48]

Answer: negative 8 or -8

Step-by-step explanation:

would include explanation but it would take a while hope it helped and may i have brainliest please?!

5 0
3 years ago
HELP!!!! WILL MARK BRAINLIEST!!!!
Harrizon [31]

Answer:

the vaulue is denominator

Step-by-step explanation:

it's it's the denominator

3 0
2 years ago
Read 2 more answers
If the sections of the circle are as follows, what fraction represents the purple sector?
Keith_Richards [23]

Answer:

Should be 1/7

Step-by-step explanation:

I just measured it.

7 0
3 years ago
Read 2 more answers
Other questions:
  • The sum of x and y decreased by their product
    8·1 answer
  • What is the answer to 4/7 x - 3 =6
    8·2 answers
  • Write 2 1/16 as decimal <br> (that is not a 21)
    12·1 answer
  • What three numbers come next 2.4, 3.2, 4.0, 4.8...
    9·2 answers
  • Please help!! Only answer if you know the answer. Thank you.
    12·2 answers
  • Alone, Brenda can dig a ditch in 5 hours. If Jack helps her, the two of them can dig
    15·1 answer
  • Express the following in standard form.​
    7·1 answer
  • A section of land measuring 2 2/5 acres is divided equally among three brothers. How many acres will each brother receive? *
    12·1 answer
  • Pls answer I got 15 points and omg pls be correct
    7·1 answer
  • How far is –8 from the origin?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!