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V125BC [204]
3 years ago
9

Assuming that data mining techniques are to be used in the following cases, identify whether the task required is supervised or

unsupervised learning. a. Deciding whether to issue a loan to an applicant based on demographic and financial data (with reference to a database of similar data on prior customers). b. In an online bookstore, making recommendations to customers concerning additional items to buy based on the buying patterns in prior transactions. c. Identifying a network data packet as dangerous (virus, hacker attack) based on comparison to other packets whose threat status is known. d. Identifying segments of similar customers. e. Predicting whether a company will go bankrupt based on comparing its financial data to those of similar bankrupt and nonbankrupt firms. f. Estimating the repair time required for an aircraft based on a trouble ticket. g. Automated sorting of mail by zip code scanning. h. Printing of custom discount coupons at the conclusion of a grocery store checkout based on what you just bought and what others have bought previously
Business
1 answer:
Gnoma [55]3 years ago
5 0

Answer:

Explanation:

A Supervised learning allows you to collect data or produce a data output from the previous experience while an unsupervised learning  you do not need to supervise the model.

A.  Deciding whether to issue a loan to an applicant based on demographic and financial data (with reference to a database of similar data on prior customers). - Supervised learning

B.  In an online bookstore, making recommendations to customers concerning additional items to buy based on the buying patterns in prior transactions. - Unsupervised learning

c. Identifying a network data packet as dangerous (virus, hacker attack) based on comparison to other packets whose threat status is known - Supervised learning  

d. Identifying segments of similar customers. - Unsupervised learning

e. Predicting whether a company will go bankrupt based on comparing its financial data to those of similar bankrupt and nonbankrupt firms. - Supervised learning

f. Estimating the repair time required for an aircraft based on a trouble ticket. - supervised learning

g. Automated sorting of mail by zip code scanning. - Supervised learning

H. Printing of custom discount coupons at the conclusion of a grocery store checkout based on what you just bought and what others have bought previously - Unsupervised learning

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Answer:

Salesman

Explanation:

A Salesman, also called a Sales Representative or Salesperson, sells products or services to businesses or consumers. - JH

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Larkspur Corporation manufactures drones. On December 31, 2019, it leased to Althaus Company a drone that had cost $104,800 to m
Lady_Fox [76]

Answer:

First find the present value of the lease. Payments are constant and fixed so this is an annuity. As it is to be paid from the beginning, it is an Annuity due.

= Annuity * Present value interest factor of annuity due, 5 years, 7%.

= 37,400 * 4.3872

= $164,081

Date                          Account Details                            Debit              Credit

Dec. 31, 2019            Lease Receivable                         $164,081

                                 Cost of goods sold                       $104,800

                                 Sales                                                                    $164,081

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Date                          Account Details                           Debit                Credit

Dec. 31, 2019           Cash                                             $37,400

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3 years ago
Fast Auto Service provides a lubrication service for cars. It is known that the mean time taken for this
strojnjashka [21]

Answer:

The answer is below

Explanation:

The z core is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given by:

z=\frac{x-\mu}{\sigma}\\\\where\ \mu=mean,\sigma=standard\ deviation, x = raw score

Given that mean (μ) = 15 minutes per car, standard deviation (σ) = 2.4 minutes.

1) For x > 18:

z=\frac{x-\mu}{\sigma} =\frac{18-15}{2.4} =1.25

From normal distribution table, P(x > 18) = P(z > 1.25) = 1 - P(z < 1.25) = 1 - 0.8944 = 0.1056

2) For x < 10:

z=\frac{x-\mu}{\sigma} =\frac{10-15}{2.4} =-2.08

From normal distribution table, P(x < 10) = P(z < -2.08) = 0.0188

3) For x > 12:

z=\frac{x-\mu}{\sigma} =\frac{12-15}{2.4} =-1.25

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z=\frac{x-\mu}{\sigma} =\frac{16-15}{2.4} =0.42

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You run the Social Security Administration. What about this chart might worry you?
AURORKA [14]

Answer:

The amount of taxpayers that are part of the "older generation" is slowly rising and is higher than the amount in 1997.

Explanation:

Remember to run a successful government, you must have the income in which to run the government programs. Most of these funds come from taxpayer's. In this case, it is clear that younger people generally make more as well as are generally healthy, leading to a large amount of input of money into the government, with fewer withdrawals. This would give a huge boost to the government budget. Older people on the other hand tend to not work as much, so their taxes are generally lower. They also withdraw more from the Government through Social Security, and so leaves the government with a negative balance from them in most cases.

The chart on the other hand shows a <em>increase of percentage of older people</em>, which leaves a large gap in between the surplus and the spending, leading to a decrease of funding for the government. If this continues, the government would lose money, and would have to cut programs or face collapse. To fix this, they either have to, like stated above, cut programs, or give more taxes. Both are unacceptable to the American Public, which is what makes the government, as well as the average citizen, worried about the US government's funding surplus.

~

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Answer:

Explanation:

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B The employees that Connie was paying to their account that she controls are called Ghost employees. These are fictitious person  put on a payroll for fraud purposes.

C The fact that it took the company 5 years to discover the fraudulent practice indicates a weak internal control environment

D

  1. Some of the actions that the company failed to do are
  2. No proper authorization in place before employees are added to payroll
  3. No segregation of duties as Connies appears to have been the person that add employees to payroll , approve and also disburse salary
  4. There has been no headcount of employees for a long time
  5. The entire payroll system has not been audited and reviewed for a long time

8 0
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