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mihalych1998 [28]
2 years ago
13

does anyone know any other apps i can use, i have to watch an add every time otherwise the answer is blurred

Mathematics
2 answers:
melisa1 [442]2 years ago
8 0

Answer:

It dependents, are you looking for math, science, English, etc  

Step-by-step explanation:

Alja [10]2 years ago
7 0

Answer: You can create an account for free, you won't get any ads

Step-by-step explanation:

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Which graph does NOT represent a function?<br> A)<br> A<br> B)<br> B<br> C)<br> С<br> D)<br> D
IRISSAK [1]

Answer:

(B)

Step-by-step explanation:

it is an undefined

7 0
2 years ago
3/4 x 10 = ? <br> thank you!!!
lesantik [10]
3/4 *10 is 7.5. 0.75 * 10 = 7.5 
4 0
3 years ago
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we believe that 42% of freshmen do not visit their counselors regularly. For this year, you would like to obtain a new sample to
Maksim231197 [3]

Answer:

A sample of 1077 is required.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

The margin of error is of:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

42% of freshmen do not visit their counselors regularly.

This means that \pi = 0.42

98% confidence level

So \alpha = 0.02, z is the value of Z that has a pvalue of 1 - \frac{0.02}{2} = 0.99, so Z = 2.327.

How large of a sample size is required?

A sample size of n is required, and n is found when M = 0.035. So

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.035 = 2.327\sqrt{\frac{0.42*0.58}{n}}

0.035\sqrt{n} = 2.327\sqrt{0.42*0.58}

\sqrt{n} = \frac{2.327\sqrt{0.42*0.58}}{0.035}

(\sqrt{n})^2 = (\frac{2.327\sqrt{0.42*0.58}}{0.035})^2

n = 1076.8

Rounding up:

A sample of 1077 is required.

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=26%20-%202%2810%20-%201%29%20%2B%20%283%20%2B%204%20%5Ctimes%2011%29" id="TexFormula1" title="
goldfiish [28.3K]

26-2\left(10-1\right)+\left(3+4\cdot 11\right)

26-(2)(9)+3+(4)(11)

26-18+3+(4)(11)

8+3+(4)(11)

8+3+44

8+47

55

"55 is correct answer".

Hope this helps!

Thanks!

-Charlie

5 0
3 years ago
1. What is the median of the data set?
icang [17]
For number 1, the median is 8
For number 2, the mode is C.100
And for number 3, the mean is D.410
4 0
3 years ago
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