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What are the sides of a penny called?
The front of a penny (Lincoln's profile) or the front of any coin is called the obverse or heads side, the back of a coin is known as the reverse or tails side. There is no jargon for the side or edge of a coin. Some coins have a ridge around the edge. The process for producing that ridge is ''milling''. Also, the corrugated edge of a coin, such as the quarter, is called a ''reeded edge''. The process for creating it is called ''knurling'' or, sometimes, just ''milling''.
What is the probability of a penny landing on heads?
Simple question, difficult answer. It depends on how many times you want the penny to land on heads. The probability of a penny landing on heads once is 1 in 2. For it to land on heads twice is 1 in 4, for three times it is 1 in 8, and so on and so forth.
What is the probability of rolling a penny on heads and roll a three?
1/2 for penny and 1/6 for dice
Why is the bottom of a penny called tails?
The two sides of a coin are referred to as "Heads" and "Tails" because, the obverse usually has somebody's "head" on it, like a King, Queen or President, etc. The reverse side is therefore referred to as "tails". Heads and tails.
How many heads on a penny?
A trick question - - - The technical term "heads" refers to the front or primary side of a coin, so being really picky about things, ALL coins have only one head. But - - - Lincoln cents made since 1959 have a portrait of Lincoln's head on the "heads" side and a very tiny image of his statue inside the Lincoln Memorial on the "tails" side, so you can also say that the coin has 2 heads, if you mean Lincoln's head and not the coin's head!
