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3 years ago

9

What is the monthly difference in median income for a female with a high school diploma and some college versus a bachelor's deg

ree?

2 answers:

viva [34]3 years ago

8 0

Answer: 924.00 IS YOUR ANSWER (GRADPOINT)

Step-by-step explanation:

stealth61 [152]3 years ago

6 0

Answer:

n

Step-by-step explanation:

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pritz makes 7 2/3 pints of pineapple juice she drank 5/6 pints of juice and poured. 3/4 of the remaining juice equally into 3 bo

kirza4 [7]

Answer:

45

Step-by-step explanation:

7 0

3 years ago

Which of the following is an equivalent representation of 5^-4 ?

Afina-wow [57]

Answer:

D

Step-by-step explanation:

5 0

3 years ago

Find four consecutive integers such that the sum of the two largest subtracted from three times the sum of the two smallest is 7

serious [3.7K]

Answer:

18, 19, 20, 21

Step-by-step explanation:

Just like any of these problems, we should start by forming an equation for us to get a reference and plug in. We'll be using x as our variables.

As we have four consecutive integers (and not multiples) we can assume that the integers will be x, x+1, x+2, and x+3.

The sum of the two largest integers we have equals: n+2 + n+3 = 2n+5

and three times the sum of the two smallest = 3(n + n+1) = 6n+3

and the sum of t he two largest subtracted from three times the sum of the two smallest = (6n+3) - (2n+5) = 4n-2

4n-2=70

4n=68

n = 18.

n = 18, n+1 = 19, n+2 = 20, n+3 = 21

7 0

3 years ago

Solve each system of equations by substitution:<br> X + Y = 75<br> 10x + Y = 48

Nimfa-mama [501]

Answer:

X= -3;

Y=78

Step-by-step explanation:

A: X+Y=75

B: 10X+Y=48

B-A: (10X+Y)-(X+Y)=48-75

10X+Y-X-Y= - 27

9X=-27

X= -3;

Now

A is : -3+Y=75

Y=75+3=78

6 0

3 years ago

A major metropolitan newspaper selected a simple random sample of 1,600 readers from their list of 100,000 subscribers.

Tpy6a [65]

Answer: $(0.36845,\ 0.43155)$

Step-by-step explanation:

Let p be the population proportion of readers who would like more coverage of local news.

As per given , we have

sample size :=1600

sample proportion : $\hat{p}=40\%=0.40$

The confidence interval for population proportion is given by :-

$\hat{p}\pm z^* \sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

From z-table ,

For 99% confidence interval the z-value is 2.576.

Substitute all the values in the above formula , we get

The 99% confidence interval for the proportion of readers who would like more coverage of local news as

$0.40\pm(2.576) \sqrt{\dfrac{0.40(1-0.40)}{1600}}$

$0.40\pm(2.576) \sqrt{\dfrac{0.24}{1600}}$

$0.40\pm(2.576) \sqrt{0.00015}$

$0.40\pm(2.576) (0.0122474487139)$

$0.40\pm0.03155$

$(0.40-0.03155,\ 0.40+0.03155)=(0.36845,\ 0.43155)$

Hence, the 99% confidence interval for the proportion of readers who would like more coverage of local news is $(0.36845,\ 0.43155)$ .

5 0

3 years ago