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PR is a grading system used for proof coins

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14y ago

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What does the term PR mean in coins?

PR is used in terms of grading coins to designate that the coin is proof. For example, a perfect proof coin would be graded as PR-70. A nearly perfect proof coin might be graded PR-68 or PR-69, etc.


What does ANACS PR 70 mean?

It is the highest grade of proof coin


What does PR mean in the medical field?

pr


What is the difference between a PF coin and a PR coin?

Nothing, just two different abbreviations for Proof.


What is the probability of obtaining exactly three heads in four flips of a coin given that at least two are heads?

Pr(3H given >= 2H) = Pr(3H and >= 2H)/Pr(>=2H) = Pr(3H)/Pr(>=2H) = (1/4)/(11/16) = 4/11.


How does probability distribution looks like when tossing a coin 3 times?

Pr(3 Heads) = 0.125 Pr(2 Heads and 1 Tail) = 0.375 Pr(1 Head and 2 Tails) = 0.375 Pr(3 Tails) = 0.125


What is more valuable MS 70 Coin or PR 70 Coin when Grading?

It depends on what type of coin, year struck, how many have been certified and who graded it. Just because a coin has been graded as a perfect Proof or Mint State example does not mean one type is more valuable than the other.


What does pr70 mean in coin language?

PR stands for "proof," which is a specific strike type where the detail is extra clean and at least some of the surface is almost mirror-like. Then the 70 is out of a 70 point scale, so the coin with that grade is flawless.


What does PR mean?

PR stands for Public Relations. If you are referring to a geographical location, it could stand for Puerto Rico.


What does the medical abbreviation PR mean?

pr in medical terms stands for "per rectum," or a drug inserted into the rectum.


When you Toss a coin 3 times and what is the probability of getting at least one head?

Pr(At least one head in 3 tosses) = 1 - Pr(No heads in 3 tosses) = 1 - Pr(3 tails in three tosses) = 1 - [Pr(T)*Pr(T)*Pr(T)] since the three tosses are independent. = 1 - 1/2 * 1/2 *1/2 = 1 - 1/8 = 7/8


What does full PR mean?

that you are 100% puerto rican