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A retail company is exploring new customer segments to increase sales. You are provided with the following data on three potential customer segments:

Segment A:

- Average annual revenue per customer: $500
- Average customer retention rate: 80%
- Average customer acquisition cost: $200
- Expected segment size: 2,000 customers

Segment B:

- Average annual revenue per customer: $750
- Average customer retention rate: 70%
- Average customer acquisition cost: $300
- Expected segment size: 1,500 customers

Segment C:

- Average annual revenue per customer: $1,000
- Average customer retention rate: 60%
- Average customer acquisition cost: $400
- Expected segment size: 1,000 customers

Assuming a 10% discount rate, which customer segment should the company target to maximize the return on investment? A target customer segment would have higher customer lifetime value (CLV). Note that CLV is calculated by using the following formula:

CLV = (Average Annual Revenue per Customer * Gross Margin %) * (Retention Rate / (1 + Discount Rate - Retention Rate)) - Customer Acquisition Cost

A company is considering two options to optimize its supply chain and reduce costs. The following data has been provided for each option:

Option Alpha:

- Annual transportation cost reduction: $300,000
- Annual inventory carrying cost increase: $250,000
- One-time implementation cost: $100,000

Option Beta:

- Annual transportation cost reduction: $200,000
- Annual inventory carrying cost increase: $150,000
- One-time implementation cost: $50,000

As a business analyst, determine which option provides a higher net cost reduction over a 3-year period.

A: Option Alpha provides a higher net cost reduction.
B: Option Beta provides a higher net cost reduction.
C: Both options provide the same net cost reduction.
D: Neither option provides a net cost reduction.
E: The net cost reduction cannot be determined with the given data.

Consider the following SQL table:

How many rows does the following SQL query return?

Consider the following SQL table:

Which of the following SQL commands will find the ‘nth highest Sales’ if it exists (returns null otherwise)?

Consider the following SQL table:

Which of the following SQL queries would return the year when neither a football or cricket winner was chosen?

Consider the following SQL table:

What will be the first two tuples resulting from the following SQL command?

Consider the following SQL table:

How many tuples does the following query return?

Consider the following line chart which shows the money invested by a company in production each year and the sales made by the company each year. If the pie chart shows the shareholding pattern of the company and the company gives 10% of the profit as dividends to its share holders then what is the average dividend received by retail investors from 2000 to 2004?

Given below is the list of laptop brands and their details in which some data is missing. If the cost price of Dell is 3/5 of the cost price of Lenovo, then what will be the %profit of Dell?

 Consider the following line chart which shows the sales of five different companies from 2000 to 2009. Which of the following companies has the maximum percentage increase in the median from 2000 to 2004 and 2005 to 2009.

A pharmaceutical company claims that their new drug, Xylanex, is highly effective in treating a specific medical condition. They provide statistical data from a clinical trial to support their claim. However, a group of scientists has raised concerns about the validity of the study design and potential bias in the data collection process. They argue that the results may be inflated and not truly representative of the drug's effectiveness.

Which of the following assumptions is necessary to support the pharmaceutical company's claim?

A: The clinical trial participants were randomly selected and representative of the target population.
B: The scientists raising concerns have a conflict of interest and are biased against the pharmaceutical company.
C: The statistical analysis of the clinical trial data was conducted by independent experts.
D: The medical condition being treated by Xylanex is widespread and affects a large number of individuals.
E: The pharmaceutical company has a proven track record of developing effective drugs for similar medical conditions.

Emma's cafe has been operating successfully for the last 6 years. Profits have been growing every year, with this year (2020) being their best year so far. As a thank you, Emma treated her staff to a meal at a Michelin star restaurant. 

Below are 3 statements about Emma, her staff and her cafe. Can you help us decide whether the 3 statements are "True", "Probably True", "Insufficient Data to Say True or False", "Probably False", or "False".

1. Emma's staff members are happy.
2. Emma's cafe did well in 2016.
3. Emma is rich.

A: True
B: False
C: Probably True
D: Probably False
E: Insufficient Data

Statement: Ivory started a new startup. We know for a fact that almost all startups fail within the first 2 years. 
Conclusion: Ivory's startup will fail.
Does the conclusion follow from the statement?