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irina [24]
1 year ago
15

If everyone in the population has an equal chance of inclusion in a study, then one would say that the study used a ___________

sampling technique for the study. a. random b. quota c. convenience d. availability please select the best answer from the choices provided a b c d
SAT
1 answer:
kakasveta [241]1 year ago
7 0

If everyone in the population has an equal chance of inclusion in a study, then one would say that the study used a Random sampling technique for the study. (Option A.)

The way in which we select a sample of individuals to be research participants is critical. Random sampling makes sure of the population which has to be random and need not be pre determined . The procedure we plan to implement will determine if we are biased or not , if the people know each other or not etc.

To read more about Sample techniques here brainly.com/question/16813351

#SPJ4

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8 0
3 years ago
1/3x-1/6y=4 6x-ay=8 in the system of equatuons above, a is a constant. if the system has no solution, what is the value of a?
Elden [556K]

Answer:

3

Explanation:

(1/3x-1/6y)×18=4×18 ⇒ 6x-3y=72

6x-ay=8  if a=3 ⇒ 6x-3y=8

72≠8

a=3 ⇒ system has no solution

8 0
2 years ago
If the point (4,-2) is included in a direct variation relationship, which point also belongs in this direct variation?
pashok25 [27]

Answer:there is a vgraph so where it says 4 at the bottom then go under to -2 then ur done.

Explanation:

4 0
2 years ago
In a bag of candy, Marsha found that there were 7 red, 8 blue, 5 yellow, and 9 greens pieces of candy. Marsha put all of the pie
Lunna [17]

Answer:

PART A

  • Red: 7/29
  • Blue: 8/29
  • Yellow: 5/29
  • Green: 9/29

PART B

  • Red or blue: 7/29 + 8/29 = 15/29
  • Yellow or green: 5/29 + 9/29 = 14/29
  • Blue or yellow or green: 8/29 + 5/29 + 9/29 = 22/29

Explanation:

In this case where the question is asking or <u>OR</u> and the events are <u>mutually exclusive</u> (Mutually exclusive meaning you can't attain two or three different colors in one pick), the compound probability is the sum of the probability of each component event (Probability of Red <u>OR</u> Blue = P(Red) + P(Blue) = 7/29 + 8/29 = 15/29)

8 0
2 years ago
How much force is required to accelerate a 5 kg mass at 20 M/s2
solmaris [256]

Answer:

100N

Explanation:

m= 5kg

a= 20 m/s^2

F= ma = 5kg x 20 m/s^2 = 100kg m/s^2 = 100N

3 0
3 years ago
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