Unit 3: Lesson 6: Random Numbers Flashcard

Front

What is the purpose of using random numbers in interactive animations and games?

Back

To introduce variability and unpredictability

Front

Explain how you would use random numbers to create a simple dice roll simulation in a game. What steps would you take?

Back

Use a random number generator to select a number between 1 and 6, then display the result as the dice roll outcome.

Front

If a game character's movement is determined by a random number between 1 and 10, what is the probability that the character will move exactly 5 spaces?

Back

Front

Describe a strategy to test if a random number generator in a game is truly random. What evidence would you look for? Options: Check if the numbers repeat in a predictable pattern., Record a large sample of generated numbers and analyze the distribution to see if each number has an equal chance of appearing., Use the generator once and assume it's random., Compare the numbers to a pre-defined list of random numbers.

Back

Record a large sample of generated numbers and analyze the distribution to see if each number has an equal chance of appearing.

Front

What is the function of the `randomNumber(min, max)` command in code.org's environment?

Back

It generates a random number between the specified `min` and `max` values, inclusive.

Front

How would you modify a game to ensure that a random event occurs only 20% of the time? Options: Use a random number generator to produce a number between 1 and 5, and trigger the event if the number is 1. Use a random number generator to produce a number between 1 and 10, and trigger the event if the number is 1 or 2. Use a random number generator to produce a number between 1 and 100, and trigger the event if the number is 20. Use a random number generator to produce a number between 1 and 5, and trigger the event if the number is 5.

Back

Use a random number generator to produce a number between 1 and 5, and trigger the event if the number is 1.

Front

In a game, you want to randomly select a background color from a list of 5 colors. How would you implement this using random numbers?

Back

Assign each color a number from 1 to 5, use a random number generator to pick a number, and select the corresponding color.

Front

A game uses random numbers to determine the weather conditions in a simulation. How can you ensure that the weather changes realistically over time?

Back

Use a random number generator to select a new weather condition every hour, and adjust the probability of each condition based on the previous condition.

Front

What is the range of numbers that can be generated by the command `randomNumber(3, 8)` in code.org's environment?

Back

3 to 8

Front

How can you use random numbers to create a fair game where two players have an equal chance of winning?

Back

Use a random number generator to determine the outcome of each player's turn, ensuring that each player has an equal probability of success.