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KIM [24]
2 years ago
8

Help me pleaseeee xo

Mathematics
1 answer:
dolphi86 [110]2 years ago
4 0

Answer:

12

Step-by-step explanation:

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The 2 triangles shown in the figure are similar. Find the distance "d" across the Red River
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2 km... Since 1.8 is 2(.9), you do the same for the base of the smaller triangle (just multiply by two)
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3 years ago
A simple random sample of n measurements from a population is a subset of the population selected in a manner such that which of
Ierofanga [76]

Answer:

a) sample of size n from the population has an equal chance of being selected.

b) Every member of the population has an equal chance of being included in the sample.                                            

Step-by-step explanation:

Simple random sampling:

  • It is a type of probabilistic sampling.
  • It is an unbiased representation of population.
  • The probability of selection is equal for every observation.
  • A sample is taken in such a way that each member has an equal probability of being selected.
  • A simple random sample is a subset of a statistical population in which each member of the subset has an equal probability of being chosen.
  • Thus,the correct interpretation is given by,

a) sample of size n from the population has an equal chance of being selected.

b) Every member of the population has an equal chance of being included in the sample.

  • c) The simplest method of selection is used to create a representative sample.

The statement is false.

There is no pattern or technique used for selection. The selection is purely random.

  • d) Each subset of the population has an equal chance of being included in the sample.

The statement is false.

Each object of the population has an equal chance of being included in the sample. and not each subset.

  • e) Every sample of size n from the population has a proportionally weighted chance of being selected.

The given statement is false.

8 0
2 years ago
What percent is equivalent to 0.25?
drek231 [11]

Answer:

25%

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A bag has 4 red balls and 4 balls, what is the probability of getting a red ball randomly. ​
Mkey [24]

Answer:

1/2

Step-by-step explanation:

4/8 are red. If you simplify that you get 1/2.

8 0
3 years ago
Amber and her friend Nathan are saving to buy a video game that costs $65. Amber earns $12 per week for babysitting and spends $
Vika [28.1K]
Answer:65 divided [(12-4)+(15-8)]
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3 years ago
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