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Arlecino [84]
3 years ago
5

Can anyone tell me how to do this?

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
8 0

Answer:

I'm too stoopid for this.

Step-by-step explanation:

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Point form: (2,3) and x=2 and y=3

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3 years ago
Nine less than the product of 2 and a number is 6
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2x-9 =6

2x= 15

x= 7.5

I think thats the answer.
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What is the initial value of the function represented by this graph?
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Read 2 more answers
Compute the standard error for sample proportions from a population with proportion p= 0.55 for sample sizes of n=30, n=100 and
Pani-rosa [81]

Given Information:

Population proportion = p =  0.55

Sample size 1 = n₁ = 30

Sample size 2 = n₂ = 100

Sample size 3 = n₃ = 1000

Required Information:

Standard error = σ = ?

Answer:

$ \sigma_1 = 0.091 $

$ \sigma_2 = 0.050 $

$ \sigma_3 = 0.016 $

Step-by-step explanation:

The standard error for sample proportions from a population is given by

$ \sigma =  \sqrt{\frac{p(1-p)}{n} } $  

Where p is the population proportion and n is the sample size.

For sample size n₁ = 30

$ \sigma_1 =  \sqrt{\frac{p(1-p)}{n_1} } $

$ \sigma_1 =  \sqrt{\frac{0.55(1-0.55)}{30} } $

$ \sigma_1 = 0.091 $

For sample size n₂ = 100

$ \sigma_2 =  \sqrt{\frac{p(1-p)}{n_2} } $

$ \sigma_2 =  \sqrt{\frac{0.55(1-0.55)}{100} } $

$ \sigma_2 = 0.050 $

For sample size n₃ = 1000

$ \sigma_3 =  \sqrt{\frac{p(1-p)}{n_3} } $

$ \sigma_3 =  \sqrt{\frac{0.55(1-0.55)}{1000} } $

$ \sigma_3 = 0.016 $

As you can notice, the standard error decreases as the sample size increases.

Therefore, the greater the sample size lesser will be the standard error.

8 0
4 years ago
What is the answer to<br> 3n=n-2
Aloiza [94]

Answer:

- 1

Step-by-step explanation:

Step 1:

3n = n - 2

Step 2:

2n = - 2

Answer:

n = - 1

Hope This Helps :)

5 0
4 years ago
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