A Train Is Traveling Away from You at 120 Km/h

question 434

Multiple Choice

A train is traveling away from you at 120 km/h. It blows its whistle, and you hear a tone of 0.400 kHz. Take the speed of sound to be 340 m/s. What frequency does the whistle actually produce?

• A) 364 Hz
• B) 444 Hz
• C) 439 Hz
• D) 361 Hz

Understand the concept of independent events in probability.

Calculate probabilities of specific outcomes for binomial distributions.

Calculate the mean of a given probability distribution.

Calculate the standard deviation of a given probability distribution.

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Definitions:

Business Practices

Business practices are the methods, techniques, and strategies adopted by companies to conduct their business, ranging from operations and marketing to management and ethics.

Anti-Corruption Policies

Strategies and regulations implemented by organizations or governments to prevent, detect, and punish corrupt practices.

Commonwealth

A political community consisting of member states and territories united by common interests or values, often sharing a historical link to the British Empire.

Business Practices

Set of methods, traditions, and conventions that guide how a company operates in the market.