Exercise

Updating

Suppose you have a coin that is equally likely to be fair (50% heads) or biased (75% heads). You then flip the coin 20 times and see 11 heads.

Without doing any math, which do you now think is more likely- that the coin is fair, or that the coin is biased?

Instructions

50 XP

Possible Answers

More likely that the coin is fair
More likely that the coin is biased
Still equally likely

Take Hint (-15 XP)