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Probability Density Function
A probability density function is a function that describes the probability of a random variable taking on certain values, used for continuous variables where the probability of any single value is zero.
Normal Approximation
A mathematical method used to approximate the binomial distribution with the normal distribution when the sample size is large and the probability of success is not too close to 0 or 1.
Binomial Distribution
A probability distribution describing the number of successes in a fixed number of binary, independent trials given a specific success probability.
Random Sample
A group selected from a broader population where every individual has the same likelihood of being chosen.
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