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leonid [27]
3 years ago
15

Suppose 1/4 of people surveyed support changing the school dress code to enforce uniforms. How many people would you have to sel

ect randomly, on average, in order to get 20 people who support the new dress code?
Mathematics
1 answer:
Molodets [167]3 years ago
6 0

Answer:

I'd say around eighty people. Hope that helps.

Step-by-step explanation:

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how many leaves on a tree diagram are needed to represent all possible combinations tossing a coin 3 times
Lelechka [254]
I believe you would do 2 times 3, which gives you 6. 3 is for the number of coin tosses, and 2 is the number of sides of a coin.
6 0
3 years ago
Will crown brainiest the first answer
Aliun [14]

Answer:

2

Step-by-step explanation:

10a² : 5a² = 10 : 5 = 2

3 0
3 years ago
Pension = 12% of salary
nadya68 [22]

Answer:

Salary = $43,313.40

Step-by-step explanation:

Let his salary be x.

Now we're told that;

Pension = 12% of his salary = 0.12x

Health Insurance = 0.3% of salary = 0.003x

Disability Insurance = 0.4% of salary = 0.004x

Since his total contract with benefits is worth $48,814.20

This means that;

x + 0.12x + 0.003x + 0.004x = 48814.2

1.127x = 48814.2

x = 48814.2/1.127

x = $43,313.40

7 0
3 years ago
Consider a total of 1,000 people. If it was said that within 1 deviation (of the mean) of all people like MATH 123, how many of
Lesechka [4]

Answer:

680 students

Step-by-step explanation:

The 68 - 95 - 99.7  rule (empirical rule) states that 68% of the population lies within one standard deviation of the mean,  95% of the population lies within two standard deviations and 95% of the population lies within three standard deviations.

Hence since it was said that within 1 deviation (of the mean) of all people like MATH 123, therefore the number of people that like MATH 123 is:

number of people that like MATH 123 = 68% of the population

number of people that like MATH 123 = 0.68 * 1000

number of people that like MATH 123 = 680 students

3 0
2 years ago
The cell membrane in an animal cell contains the master plan in cells activities​
larisa86 [58]

Answer:

Both plant and animal cells can have endoplasmic reticulum. Both plant and animal cells can have mitochondria. In animal cells, chromosomes contain the master plan for cell activities and cell development. The cell membrane controls which substances enter and leave a plant cell

Step-by-step explanation:

6 0
3 years ago
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