Question
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A student tosses a coin 3 times, and a head appears each time. The student concludes that the coin is not fair. What is
your response?
Which of the following is a correct response to the statement?
A. Tossing three heads on the first three tosses of a coin does imply the coin is unfair. Only when a fair coin is
tossed a few times can we expect to get approximately equal numbers of tails and heads.
B. Tossing three heads on the first three tosses of a coin does imply the coin is unfair.
C. Tossing three heads on the first three tosses of a coin does not imply the coin is unfair. Only when a fair coin is
tossed a few times can we expect to get approximately equal numbers of tails and heads.
D. Tossing three heads on the first three tosses of a coin does not imply the coin is unfair. Only when a fair coin is
tossed a much greater number of times can we expect to get approximately equal numbers of tails and heads.
.

Ask by Morrison Guzman. in the United States
Jan 22,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

The correct response is:
D. Tossing three heads on the first three tosses of a coin does not imply the coin is unfair. Only when a fair coin is tossed a much greater number of times can we expect to get approximately equal numbers of tails and heads.
Explanation: A small number of tosses isn’t enough to determine if a coin is unfair. More tosses are needed to see if the results are balanced.

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Beyond the Answer

The best response here is D. Tossing three heads in a row does not provide sufficient evidence to claim the coin is unfair. In probability, especially with the flip of a coin, it’s completely possible to get heads several times in a row purely due to chance. A fair coin has an equal probability of landing on heads or tails, and it’s only after a significant number of trials that we can analyze trends or anomalies.
When it comes to understanding fairness in a coin, sample size is key! Just like in a game of chance, the more times you toss that coin, the closer you’ll get to the expected 50-50 split of heads and tails. So, while it’s exciting to see three heads, it’s not enough to jump to conclusions about the fairness of your coin!

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