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Shortly after the introduction of a new coin, newspapers published articles claiming the coin is biased. The stories were based on reports that someone had spun the coin 250 times and gotten 135 heads minus that's 54% heads.
Use the Normal model to approximate the Binomial to determine the probability of spinning a fair coin 250 times and getting at least 135 heads.
Do you think this is evidence that spinning this new coin is unfair? Would you be willing to use it at the beginning of a sports event? Explain.