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3 years ago

Select the correct answer

Business

1 answer:

Luda [366]3 years ago

7 0

Answer:

option. C. $50

Explanation:

Your loss is limited to $50 if you notify your financial institution within two business days after learning of the theft.

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Ajay borrowed $6000 cash from his friend Tim, *

ad-work [718]

Answer:

Ajay account will be credited with $6000. While Tim account will be debited by $6000

6 0

3 years ago

Let x be per capita income in thousands of dollars. Let y be the number of medical doctors per 10,000 residents. Six small citie

MAVERICK [17]

Answer:

The percentage of variation esplained by the model is given by the determination coefficient, on this case:

$R^2 = 0.934^2 =0.872$

And we have 87.2% of the variation explained by the linear model given.

$\hat y = 5.756(8.5) -36.895=12.031$

And we have 12.031 doctors per 10000 residents.

Explanation:

Assuming the following dataset:

x y

8.6 9.6

9.3 18.5

10.1 20.9

8.0 10.2

8.3 11.4

8.7 13.1

Assuming this question: "The data has a correlation coefficient of r = 0.934. Calculate the regression line for this data. What percentage ofvariation is explained by the regression line? Predict the number of doctors per 10,000 residents in a town with a per capita income of $8500."

We want a linear model like this:

$y = mx +b$

Where m represent the slope and b the intercept for the linear model. And we cna find the slope and b with the following formulas:

$m = \frac{n \sum xy - \sum x \sum y}{n \sum x^2 -(\sum x)^2}$

$b = \frac{\sum y}{n} -m \frac{\sum x}{n}$

And from the dataset we have the following values:

$n= 6, \sum x =53, \sum y = 83.7 , \sum xy = 755.89, \sum x^2 = 471.04$

And replacing into the equation for m we got:

$m =\frac{6(755.89) - (53)(83.7)}{6(471.04) -(53)^2}=5.756$

And the intercept:

$b = \frac{83.7}{6}-36.895 5.756 \frac{53}{6}=-36.895$

And then the linear model is given by:

$\hat y = 5.756 x -36.895$

We can find the estimation replacing x = 8.5 into the linear model and we got:

$\hat y = 5.756(8.5) -36.895=12.031$

And we have 12.031 doctors per 10000 residents.

The percentage of variation esplained by the model is given by the determination coefficient, on this case:

$R^2 = 0.934^2 =0.872$

And we have 87.2% of the variation explained by the linear model given.

4 0

3 years ago

Fatima finds an article on march 16, 2014 titled "benefits of laptops" on the technologynow website. the article was written on

padilas [110]

In citing the source in MLA format, Fatima should place the title as the first to be read or written, followed by the author and citation in the end. So it should be, “Benefits of Laptops” by Michael Gray. Technology Now, August 2, 2013. Web. March 16, 2014.

6 0

4 years ago

Read 2 more answers

In an international transaction involving a bank as a third party, the exporter ships the product after:

nataly862011 [7]

Answer: the bank promises to pay on the importer’s behalf

Explanation:

8 0

2 years ago

The following is a condensed version of the comparative balance sheets for Sweet Corporation for the last two years at December

notsponge [240]

Answer:

Cash flow from operating activities

Net income $352,000

Adjustment to reconcile net income to

net Cash flow from operating activities

Depreciation expense $26,350

Loss on investment sold $15,500

Decrease account receivable $7,750

Decrease current liabilities -$26,350

Net cash flow from operating activities $348,250

Cash flow from investing activities

Sale of investment $12,100

Purchase of equipment -$89,900

Net cash used investing activities -$77,800

Cash flow from financing activities

Dividend paid -$66,000

Net cash used financing activities -$66,000

Net cash increase (decrease) $204,450

Beginning Cash $120,900

Ending Cash $325,350

6 0

3 years ago