Types of distribution

Normal Distribution

Key Idea: Bell-shaped curve; most values are around the mean, with fewer as you move away.

Tip: Think of heights or test scores.

Uniform Distribution

Key Idea: All outcomes are equally likely; flat line from start to end.

Tip: Think of a fair die or random number generator.

Binomial Distribution

Key Idea: Discrete outcomes for a fixed number of trials, like counting successes.

Tip: Think of flipping a coin n times.

Poisson Distribution

Key Idea: Models the number of events in a fixed time or space.

Tip: Think of call center arrivals or rare events.

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