Question: Is the variable X discrete or continuous? know that the probability of heads is 0.5 for a fair coin, but can this probability be manipulated?

Is the variable X discrete or continuous? know that the probability of heads is 0.5 for a fair coin, but can this probability be manipulated? Researchers at the University of British Columbia conducted a study to find out. They gave participants instructions about how to manipulate a coin toss and a few minutes to practice the technique. Then participants were tested to see whether they were able to increase their probability of flipping heads. Let X = the number of times that a fair coin lands on heads out of 10 flips. The graph below represents the probability distribution for X. This model was constructed theoretically using probability rules. Note: Landing on heads is considered a "success" in this chance experiment

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