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Lemur [1.5K]
3 years ago
8

2.1 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 addi- tional items to buy based on the buying patterns in prior transactions. c. Identifying a network data packet as dangerous (virus, hacker attack) based on com- parison 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:
Gelneren [198K]3 years ago
3 0

Answer:

Data Mining Techniques

Identification of whether the task required supervised or unsupervised learning:

a. supervised learning

b. supervised learning

c. supervised learning

d. supervised learning

e. supervised learning

f. unsupervised learning

g. unsupervised learning

h. supervised learning

Explanation:

There are supervised and unsupervised machine learning models.  In a supervised learning model, the algorithm evaluates a labeled dataset by comparing it with another dataset called the training data.  The purpose is to evaluate its accuracy on the training data. On the other hand, an unsupervised model uses the unlabeled dataset and tries to make sense of it by extracting non-existing features and patterns without the training dataset.

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Explanation:

8 0
3 years ago
When demand for a product changes because of its price, this product is said to be elastic.
IgorC [24]

Answer:

When PED is greater than one, demand is elastic. This can be interpreted as consumers being very sensitive to changes in price: a 1% increase in price will lead to a drop in quantity demanded of more than 1%. When PED is less than one, demand is inelastic.

so it is true

Explanation:

4 0
3 years ago
Read 2 more answers
What is a rental inventory and why is it a good idea to have one?
bearhunter [10]

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3 0
2 years ago
A customer has purchased 1,000 shares of ABC stock at $44 per share, paying a commission of $1.00 per share for the transaction.
Sonbull [250]

Answer:

Option D) 1,200 shares held at a cost basis of $37.50 per share

Explanation:

Data provided in the question:

Number of shares of ABC stocks purchased by the customer = 1,000

Price per share of ABC stock = $44

Commission paid = $1.00 per share

Stock dividend declared = 20%

Now,

The Payment of a stock dividend will increase the number of shares held by the investor

also,

each share is theoretically worth less after the stock dividend is paid.

Therefore,

The number of shares customer will have = Shares purchased × (1 + Dividend declared)

= 1000 × ( 1 + 0.20)

= 1200 shares

Also,

Cost basis for the share = Selling price + Commission

= $44 + $1

= $45

Thus,

The adjusted cost basis = $45 ÷ 1.20

= $37.50 per share

Hence,

Option D) 1,200 shares held at a cost basis of $37.50 per share

3 0
3 years ago
Calculate the portfolio required rate of return (rs) for the Wagner Assets Management Group, which holds 4 stocks. The expected
Ivahew [28]

Answer:

11.10%

Explanation:

For computing the portfolio required rate of return first we have to calculate the portfolio beta which is shown below:

Portfolio Beta = Beta of Stock A × Weight of Stock A + Beta of Stock B × Weight of Stock B + Beta of Stock C × Weight of Stock C + Beta of Stock D × Weight of Stock D

= 1.50 × $200,000 ÷ ($200,000 + $300,000 + $500,000 + $1,000,000) 0-.50 × $300,000 ÷ ($200,000 + $300,000 + $500,000 + $1,000,000) + 1.25 × $500,000 ÷ ($200,000 + $300,000 + $500,000 + $1,000,000) + 0.75 × $1,000,000 ÷ ($200,000 + $300,000 + $500,000 + $1,000,000)

= .7625

Now the portfolio Required Rate of Return  is

Required Rate of Return = Risk Free Rate + Beta × (Market Rate of Return - Risk Free Rate)

= 5% + .7625 × (13% - 5%)

= 11.10%

We simply applied the above formulas

5 0
3 years ago
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