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Strike441 [17]
2 years ago
10

HURRY! please help me please quick

Mathematics
2 answers:
Trava [24]2 years ago
5 0

Answer:

2 hours 33 minutes

Step-by-step explanation:

1/3 of an hour is 20 minutes

20 times 7 is 140

140 divided by 60 is 2.33 hours

so 2 hours and 33 minutes

Vadim26 [7]2 years ago
3 0

Answer: She jump ropes 7/3 or 2 1/3 of an hour every week

Step-by-step explanation: This is because she jump ropes 1/3 each day and there's 7 days in a week so 7/3 or 2 1/3(2 hours and 20 minutes)

I hope you are having a nice day!

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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
3 years ago
WILL MARK BRAINLIEST ON CORRECT ANSWER
erik [133]
I believe none is the answer due to the fact it isn’t symmetrical. sorry if i am wrong. let me know if i am
8 0
3 years ago
HELP PLZ 20 POINTS!!!!!!!!!!!!!!!!!!!!
Alchen [17]

Answer:

the correct function is linear

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Y = 2 - 6x<br>17 y - x=1 solve the system​
Bond [772]

Answer:

(33/103,8/103)

In point form it is (33/103,8/103)

In equation form it is x = 33/103, y = 8/103

Hope this helps!

Consider giving brainliest. I only have 4 brainliest left and then my rank will go up.

7 0
2 years ago
A problem states. "There are 7 more girls than boys in a club
Paul [167]

x= number of boys in the club because it is unknown.

x + 7= the number total number of girls in the club.

4 0
3 years ago
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