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Andrei [34K]
3 years ago
5

Is simple random sampling usually done with or withoutâ replacement?

Social Studies
1 answer:
mixer [17]3 years ago
3 0
Umm... I don’t think so, but I’m not 100% sure.
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A bag contains 10 red marbles and 5 blue marbles. You randomly select 3 marbles from the bag. What is the probability that all 3
Ad libitum [116K]

Answer:

A.) With replacement = 1/27

B.) Without replacement = 2/91

Explanation:

Given the following :

Red marbles = 10

Blue marbles = 5

Probability that all 3 marbles are blue;

A.) With replacement :

Total no marbles = 10 + 5 = 15

P(First pick equals blue) = 5/15 = 1/3

P( second pick equals blue) = 5/15 = 1/3

P( third pick equals blue) = 5/15 = 1/3

P(blue blue blue) = (1/3) × (1/3) × (1/3) = 1/9

B.) Without replacement :

P(First pick equals blue) = 5/15 = 1/3

P( second pick equals blue) = 4/14

P( third pick equals blue) = 3/13

P(blue blue blue) = (1/3) × (4/14) × (3/13 )

= 12/546 = 2/91

6 0
2 years ago
You notice a sign in a public restroom that states "sanitized for your safety." this means
aleksandrvk [35]
<span>The sign in a public restroom that states "sanitized for your safety."means that </span>methods of disinfection that meet minimum standards of microbial removal have been used.
Sanitzed means that sanitzers were used to reduce microorganisms of public health importance to levels considered safe<span>, based on established parameters. </span>
3 0
3 years ago
Ano-ano ang mga tungkulin ng mga kababaihan sa lipunan noon?
Shalnov [3]

Answer:

nagtratrabaho sila at naglilingkod sila sa kanilang mga pinuno noon

ngayon nagtratrabaho na sila kung sa ano ang gusto nilang trabaho.

7 0
3 years ago
Which statement explains why the creole people had rights but African Americans in other places did not?
Bogdan [553]

Answer:

A

Explanation:

Got is on edge

4 0
2 years ago
Read 2 more answers
discuss the negative effects of conflict avoidance in dealing with conflict among family members family members​
ivann1987 [24]

Answer:

Anxiety disorders

Burnout

Depression

Diabetes

Digestive issues (such as diarrhea, constipation, ulcers)

Hair loss

Heart disease

Hyperthyroidism

Insomnia

Obesity

Sexual dysfunction or changes in libido

Tooth and gum disease

Conflict and Physical Pain

Those country songs about the pain of a broken heart might actually be backed up by science. Takotsubo cardiomyopathy (also known as stress cardiomyopathy or "broken heart syndrome") is triggered by extreme and sudden emotional trauma or physical stress.

"Broken heart syndrome" typically causes severe pressure-like chest pain, similar to what someone would feel when having a heart attack.7  

Research on social exclusion has revealed that the pain of loneliness and social rejection is processed by the same area of the brain that processes physical pain, which is why it can physically hurt to be rejected by a loved one.

Conflict between partners or within families can also lead to the condition. When you are repeatedly exposed to stress and conflict in a relationship, you might develop a heightened sensitivity to physical pain or even become numb to it.

8 0
2 years ago
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