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  1. Johnny flipped a coin 450 times. His results are: H: T: 210
    a. What is the experimental probability that the coin lands on heads?
    b. How does that compare to the theoretical probability?

Ask by Nunez Curry. in the United States
Mar 28,2025

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a. The experimental probability of the coin landing on heads is or approximately 0.5333.
b. This experimental probability is slightly higher than the theoretical probability of 0.5.

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Beyond the Answer

To find the experimental probability of heads, divide the number of heads obtained (240) by the total number of flips (450). So, the experimental probability of getting heads is , or approximately 53.3%.
Comparing this to the theoretical probability, which is or 50%, we see Johnny’s result is slightly higher. This can happen in experiments due to chance, showing how real-world results can vary from expected outcomes. Remember, the law of large numbers suggests that as the number of flips increases, the experimental probability will tend to get closer to the theoretical probability!

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