In Which Scenario Should Amazon EC2 Spot Instances Be Used

question 469

Multiple Choice

In which scenario should Amazon EC2 Spot Instances be used?

• A) A company wants to move its main website to AWS from an on-premises web server.
• B) A company has a number of application services whose Service Level Agreement (SLA) requires 99.999% uptime.
• C) A company's heavily used legacy database is currently running on-premises.
• D) A company has a number of infrequent, interruptible jobs that are currently using On-Demand Instances.

Understand the criteria for rejecting the null hypothesis in statistical analysis.

Understand the basic concepts and calculations involved in a one-sample Z-test.

Identify the components and structure of the Z-value calculation.

Interpret the outcomes of a one-sample Z-test in terms of hypothesis testing.

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Definitions:

Firm Size

A measure that typically reflects a company's scale of operations, often indicated by its total revenue, assets, or number of employees.

Risk Premium

The risk premium is the extra return above the risk-free rate that investors require to compensate for the risk of holding a risky asset.

Risk Aversion

The tendency of investors to prefer safer investments over riskier ones, indicating their reluctance to take on investments that carry a higher chance of losing value.

Beta

An indication of how much a stock's price fluctuates compared to the broader market.