Shortly after the introduction of the euro coin in Belgium, newspapers around the world published articles claiming the coin is biased. The stories were based on reports that someone has?

The stories were based on reports that someone had spun the coin 250 times and gotten 140 heads that's 56% heads.

Explanation

Using normal distribution and finding probability and then deriving hypothesis from the above, it could be ascertained if the euro was truly biased or unfair.