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Novay_Z [31]
2 years ago
10

Salim wants to survey the students at his middle school about how much time they spend on homework. he will interview a sample o

f 150 students. which method would result in a random sample from the population of students at salim's school?
Mathematics
1 answer:
Aloiza [94]2 years ago
8 0

Using sampling concepts, it is found that the method that would result in a random sample is given by:

Pick 150 students' names from a jar that has the names of all the students in the school.

<h3>How are samples classified?</h3>

Samples may be classified as:

  • Convenient: Drawn from a conveniently available pool.
  • Random: All the options into a hat and drawn some of them.
  • Systematic: Every kth element is taken.
  • Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
  • Stratified: Also divides the population into groups. Then, a equal proportion of each group is surveyed.

Researching the problem on the internet, the representative(all possible students can possibly be sampled) and random sample is given by the following option:

Pick 150 students' names from a jar that has the names of all the students in the school.

More can be learned about sampling concepts at brainly.com/question/25122507

#SPJ1

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Use the digits 1-7 to create a seven digit number that can be rounded to 6,300,000
Westkost [7]
Use every one of the numbers from 1-7 or just like, 6,311,111 round down?
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3 years ago
At Hollister, they sell 10 pairs of jeans in 12 minutes. If the store continues to sell jeans at the same rate, about how many p
Montano1993 [528]

Answer:

vende 100  pares de jeans

Step-by-step explanatio:

2 horas = 120 minutos

10 x 120 =1200 /  12 = 100

4 0
3 years ago
Which of the following are continuous functions? (Select all that apply.) The temperature at a specific location as a function o
castortr0y [4]

Answer with Step-by-step explanation:

A continuous function is a function that is defined for all the values in it's domain without any sudden jumps in the values in the domain of the function. All the given situations are analysed below:

1) The temperature at la location as a function of time is continuous function since at any location the temperature is defined for all the time and the temperature cannot suddenly change from say 10 degrees Celsius to 100 degrees Celsius instantly without passing through intermediate values.

2) The temperature at a specific time as a function of the distance due west from New York city is a continuous function as temperature is defined for all the instants of time without any sudden changes as we move between places.

3) The altitude as an function of distance due west from New York is a discontinuous function as there may be sudden changes in the altitude due to changes in topography such as presence of cliff or valley.

4) The cost as a function of function of distance traveled is a discontinuous function since the cost of travel increases integrally in increments of distance and not in a continuous manner.

5) The current in a circuit as function of time is discontinuous function as the current jumps instantly from 0 to a non zero value when we switch on the circuit and same is true when we switch off the circuit it's value decreases instantly to 0.  

6 0
3 years ago
PLZ HELP ASAP I RLLY NEED THE HELP
postnew [5]

Answer: just do 10.8×9×6 and divide the answer by two

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Is it linear or not? 2x+5xy-3=0.
ArbitrLikvidat [17]

The linear equation in slope intercept form: y = mx + b.

We have:

2x+5xy-3=0\qquad\text{subtract 2x from both sides}\\\\5xy-3=-2x\qquad\text{add 3 to both sides}\\\\5xy=-2x+3\qquad\text{divide both sides by}\ 5x\neq0\\\\y=\dfrac{-2x+3}{5x}

This is not a linear equation.

4 0
3 years ago
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