Q: In a __________ experiment, each trial can result in either of the two outcomes only.  

Answer: A

The correct answer is "Binomial". In a binomial experiment, each trial has two possible outcomes, often referred to as success and failure. The probability of success is denoted by p, and the probability of failure is denoted by q, where q = 1 − p. The trials are independent, and the probability of success remains constant throughout the experiment. Binomial experiments are commonly used in fields such as biology, psychology, and quality control to model events that can be classified as either success or failure.

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